Find out more about our subscriptions
As it happened: Race day in Montreal
By Geoff Creighton and Emlyn Hughes
The live commentary has ended. No further updates will be posted.
F1 is back in Montreal
F1 is back in Montreal © Sutton
15:00 Hello everyone and welcome to AUTOSPORT Live for coverage of the eighth round of the 2010 FIA Formula 1 world championship.

A fantastic weekend of motorsport continues and a hectic Le Mans 24 Hours has truncated our regular build-up to the grand prix just slightly, but now it is time to the attention to switch back across the Atlantic Ocean.

And what a race we have in prospect this afternoon. Montreal welcomes the sport back to the Ile Notre Dame after a one-year hiatus and the 4.261km Gilles Villeneuve circuit has provided many a thrill over the past couple of days.

The race itself begins in one hour at 16:00 GMT, but before then we will take a look back at yesterday's qualifying session, check on the latest weather forecast and look at who has to do what on the grid.

Hamilton grabbed a last-gasp pole on soft tyres
Hamilton grabbed a last-gasp pole on soft tyres © Sutton
15:05 Lewis Hamilton broke the mould yesterday, gambling on super-soft rubber to claim a spectacular pole position for this afternoon's 70-lap race.

The McLaren driver defied the potential destruction of Bridgestone's option tyre in the early laps, with a last-gasp 1m15.105s to snatch pole by two-tenths of a second from Mark Webber.

Webber has, however, suffered further disappointment this morning. Red Bull has been forced to change his gearbox and the championship leader will drop five places down the grid to seventh for this afternoon's race.

Sebastian Vettel will therefore start alongside Hamilton on the front row of the grid. The German will be keen to make up for the events of Turkey two weeks ago. Fernando Alonso is third as he looks to spearhead Ferrari's assault, with Jenson Button promoted to fourth and Tonio Liuzzi starting from a remarkable fifth place. Felipe Massa rounds out the top six.

Qualifying typically provides at least one shock elimination and yesterday it was Michael Schumacher who was left frustrated at not being able to get a clean lap on his final run in Q2. He wasn't able to improve on 1m16.492s and was shuffled down the list to 13th place by the Force India and Williams drivers.

Hamilton ends Red Bull's pole run

15:07 To reiterate the big news of the morning, Mark Webber has been given a five-place drop on the grid following a gearbox change.

The Australian will now start from seventh place on the grid for this afternoon's race.

Webber gets gearbox change penalty

15:10 Weather conditions are mainly sunny around the circuit and there is little chance of rain affecting the race.

A 40 percent chance of wet weather was predicted last night for the race period, but from the satellite images and local radar loops it would seem very unlikely that we'll see anything other than a dry race this afternoon.

Increasing sunny spells over the next couple of hours will help the maximum temperature up to 24 degrees Celsius.

Plenty of fans packing the grandstands
Plenty of fans packing the grandstands © Sutton
15:15 Motor racing enthusiasts love to debate and discuss the action on track, and the live forum at the bottom of the screen is your chance to let everyone know your thoughts on events as they unfold at the circuit.

• Can Lewis Hamilton make his soft tyres last more than ten laps in the opening stages of the race?

• Tonio Liuzzi could be the joker in the pack at the start. Just what will he do from fifth on the grid?

• Heikki Kovalainen put in a superb qualifying performance yesterday. How long will he be able to race against the Saubers and Toro Rossos for?

Tell the world what you think.

Click the SHOW LIVE FORUM link in the red bar at the bottom of your browser window if you'd like to join the debate.

15:20 Here's how the grid will line up this afternoon:
Pos  Driver         Team
 1.  Hamilton       McLaren-Mercedes 
 2.  Vettel         Red Bull-Renault
 3.  Alonso         Ferrari
 4.  Button         McLaren-Mercedes
 5.  Liuzzi         Force India-Mercedes
 6.  Massa          Ferrari
 7.  Webber *       Red Bull-Renault  
 8.  Kubica         Renault
 9.  Sutil          Force India-Mercedes
10.  Rosberg        Mercedes
11.  Barrichello    Williams-Cosworth
12.  Hulkenberg     Williams-Cosworth
13.  Schumacher     Mercedes
14.  Petrov         Renault
15.  Buemi          Toro Rosso-Ferrari
16.  Alguersuari    Toro Rosso-Ferrari
17.  de la Rosa     Sauber-Ferrari
18.  Kobayashi      Sauber-Ferrari
19.  Kovalainen     Lotus-Cosworth
20.  Trulli         Lotus-Cosworth
21.  Glock          Virgin-Cosworth
22.  Senna          HRT-Cosworth
23.  di Grassi      Virgin-Cosworth
24.  Chandhok       HRT-Cosworth

* Five-place grid penalty for gearbox change
Schumacher will provide mid-field action
Schumacher will provide mid-field action © Sutton
15:25 Lewis Hamilton will lead off the grid this afternoon with one major question on his mind: how long will the super-soft tyres last when punished by a car running a full load of fuel?

Friday's practice sessions suggest the answer is "not many" and the Briton may find himself swamped by Vettel in the Red Bull, who has opted for the safer choice of hard rubber.

Hamilton will, however, be pleased to see both Alonso in the Ferrari and his team-mate Button also on soft rubber, while Mark Webber will undoubtedly have speed and be looking to charge towards the front from seventh. Tonio Liuzzi could prove to be the fly in the ointment for all the top runners starting from row three.

Continuing our look at the field, much further down the list is Michael Schumacher in 13th place. The German is clearly out of position relative to his speed in the Mercedes, and should make headway rather quickly. Expect an attacking first stint from the seven-time champion.

Heikki Kovalainen is the other interesting driver with a battle on his hands this afternoon. For the first time, his Lotus is on pace with the more established teams. He momentarily shaded Kamui Kobayashi's mark yesterday in qualifying, before the Japanese pulled out all the stops to squeeze back ahead by just two tenths of a second.

Look for the Finn to put on a stirring effort in the first half of the race as he tries to keep with the two Saubers.

15:30 The pitlane is now open for the drivers to make their way around to the grid. Many will plan more than one lap, passing through the pits to give them more chance to check out the grip levels and general feel of the car.

15:31 Mark Webber in the Red Bull Renault is one of the first out of the pits to test the installation of that fresh gearbox.

15:32 The Ferrari pair head around to the grid to take up third and sixth.

15:33 Robert Kubica has popped through the pits and is on a second lap to the grid.

15:33 Polesitter Lewis Hamilton is now on his tour to the grid.

15:34 The track temperature is 37 Celsisus - far warmer than we have seen at any point so far this weekend.

15:34 That increased temperature could be a critical factor in tyre performance.

15:35 Both Ferrari drivers have popped through the pits to begin a second lap.

15:36 Kobayashi rounds the hairpin and heads to the grid in his Sauber.

15:36 Nico Rosberg has been through the pits and practices a start on his second outing.

15:37 Vettel in the Red Bull arrives to take up his place on the front row.

15:39 Rosberg is one of the last men to round the final corner and take up position on the grid.

15:39 Sunshine continues to beat down on the Gilles Villeneuve circuit as Lewis Hamilton arrives at the pole position slot, having gone through the pits to complete an extra lap.

15:40 Felipe Massa is pushing very hard on his last tour before he forms up on the start/finish straight.

15:43 Not only will today's race be a supreme test of tyre management, but the brakes will also be punished very heavily.

Traditionally, Canada is the hardest event of the year on brakes. Drivers will need to look after them - especially when the car is full of fuel in the early stages.

15:45 The pits are now closed. Any car not on the grid by now will be required to start the race from the pitlane.

15:46 Canada's national anthem - 'Oh Canada' - rings out over the Ile Notre Dame at Montreal on a wonderfully sunny day.

15:49 A sellout crowd is in attendance at the Gilles Villeneuve circuit, with the fans not having had the chance to watch Formula 1 in the flesh last year.

15:52 The drivers are beginning to get themselves ready for action with the formation lap now just eight minutes away.

15:52 The air and track temperature is creeping up all the time as we move towards the start of the race.

15:53 This could be good news for Lewis Hamilton, who may not suffer so much in the early stages of the race.

15:55 There are five minutes to go until the formation lap begins at Montreal.

15:55 Hamilton climbs aboard his polesitting McLaren as he bids to make it back-to-back wins.

15:55 All 24 cars have made it to the grid and we look forward to a crowded start with a full field.

15:56 The track temperature is a warm 38 Celsius under sunny skies, with no threat of rain.

15:57 Michael Schumacher is receiving last minute advice from his Mercedes race engineer, Andrew Shovelin. The German starts from 13th.

15:58 There is a lot of tension on the grid as the teams know this could be a very unpredictable race.

15:59 The engines fire with a minute to go before the formation lap.

16:00 The formation lap begins and Hamilton leads the pack towards the Senna S.

16:00 All 24 cars leave the grid without problem, as Hamilton heads towards Turn 6.

16:01 The fans rise and cheer their heroes as the pack rounds the Casino hairpin. Hamilton is leading the field at a brisk pace.

16:02 Hamilton rounds the final chicane and heads for home. He slows the pace down to bring the field into line.

16:02 The polesitter parks up and the front few rows are in position.

16:03 The field is formed up nicely. It should be a cracking start.

We await the lights ...

Lap 1: The five red lights go out and we are racing in Canada!

Lap 1: Hamilton gets away and chops across Vettel but there is contact between Liuzzi and Massa in the first corner.

Lap 1: Hamilton leads from Vettel, Alonso, Button and Webber as they charge down to the hairpin for the first time.

Lap 2: The Liuzzi incident is covered by yellow flags only as the race continues.

Lap 2: Webber is one of the big winners from that chaotic start as Liuzzi and Massa tangled in front of him. He is fifth.

Lap 2: De La Rosa pits at the end of the first lap and Kobayashi launches across the final chicane and slaps into the wall of champions.

Lap 2: Webber is eying a move on Button's McLaren for fourth place.

Lap 2: Liuzzi pits and so does Felipe Massa at the end of that hectic opening lap.

Lap 3: Massa is dropped down and away again. He is last.

Lap 3: Hamilton leads into lap three with Vettel and Alonso just a second behind.

Lap 3: Alonso is pressing hard on the tail of second-place man Vettel, who doesn't seem all that happy on the harder rubber.

Lap 4: Webber continues to harry Button, with Kubica in the Renault right on the tail of that scrap.

Lap 4: Michael Schumacher made good work of the confusion in Turn 1 and runs in eighth position. Hulkenberg is ninth with Alguersuari in an amazing tenth.

Lap 4: Sutil is seventh in his Force India and keeping in touch with the Button/Webber/Kubica squabble.

Lap 4: Webber is looking for a move on Button but is forced to back out of it at Turn 3.

Lap 4: Buemi is 11th but look at this - Kovalainen is up to 12th and has passed several cars in the opening exchanges.

Lap 5: There is clear evidence of rear graining on Button's McLaren and that is helping Webber him on the opposing tyre compound.

Lap 5: Hamilton leads by a mere 0.9 seconds over Vettel, whose pace is good now his hard tyres are up to temperature. Alonso has fallen 1.7 second behind the Red Bull.

Lap 5: Kobayashi is the first retirement of the Canadian Grand Prix. The Japanese managed to park the Sauber on the left just after the pit exit, having tagged the champion's wall at the end of the opening lap.

Lap 6: Webber is sending his latest move on Button and he is through. It is a bold move from the Austrailian at Turn 8 to take fourth.

Lap 6: That demotes Button to fifth and puts him under pressure from Kubica, who is also on the harder tyres.

Lap 6: Felipe Massa sets the fastest lap of the race with 1m20.605s. The Ferrari is flying but he is down in 23rd.

Lap 7: Vettel is just 0.4 seconds off Hamilton and the leader may struggle to hold of the Red Bull as the McLarens fade on soft rubber.

Lap 7: Rosberg and Trulli pit together and rejoin the race at the rear of the pack.

Lap 7: A safety car would be very helpful for McLaren as Vettel is right with Hamilton.

Lap 7: Vettel is sure to send a move in the next few corners.

Lap 7: Button pits to abandon the soft tyre gamble while Hamilton barely holds on in the lead.

Lap 8: Button, Sutil and Hulkenberg have all been into the pits to change tyres. They resume down in the teens.

Lap 8: Alonso and Webber are right on the case of this pair now in a four-way scrap for the lead in Canada!

Lap 8: Hamilton pits, releasing Vettel in to the lead.

Lap 8: Alonso is also in, making it a Red Bull one-two.

Lap 8: Hamilton and Alonso are wheel-to-wheel out of the pits!

Lap 8: The changes are fantastic and Schumacher is up to a fine fourth position but yet to pit.

Lap 9: It resolves in the favour of Alonso after some very questionable moves by the former team-mates.

Lap 9: Alguersuari and Barrichello have been into the pits as we see Rosberg pass Bruno Senna for 17th position.

Lap 9: The order is Vettel from Webber, Kubica, Schumacher, Buemi with all those drivers yet to stop.

Lap 10: Rosberg now passes the Williams of Barrichello as the Brazilian exits the pits. Rosberg up to 16th place.

Lap 10: Alonso is sixth with Hamilton now behind him after those antics at the first stops.

Lap 10: Up front, Vettel leads by 1.7 seconds over team-mate Webber.

Lap 11: Heikki Kovalainen has taken advantage of all this chaos and runs in a scarcely believable seventh place at the moment.

Lap 11: Kubica has made a stop in his Renault, taking fresh hard rubber.

Lap 12: Nico Rosberg in 13th is up behind Petrov now. Further bad news for the Russian is that he is being investigated for a jump start.

Lap 12: The pair on the move at the moment are Alonso and Hamilton - setting a 1m20s pace while the Red Bulls, on used tyres, lap in the 1m21s.

Lap 12: Felipe Massa is down in 23rd place but lapping very quickly as Petrov gets a drive through penalty for that jump start.

Lap 13: Hamilton is right on Alonso's gearbox and is sure to be upset about losing position to the Ferrari at the stop.

Lap 13: Barrichello comes into the pits from 18th place. This is his second stop. He is having the front wing replaced and he roars back out.

Lap 13: Schumacher pits as Mercedes react to the spurt of pace from the earlier stoppers.

Lap 13: Tonio Liuzzi in 22nd has now caught the drivers from the new teams. He will quickly move up to 18th over the course of the next few laps.

Lap 14: Surely Red Bull will plan to come in shortly.

Lap 14: It's all action in Canada as Schumacher resumes in a fight with Robert Kubica and refuses to cede ground to the Pole.

Lap 14: Red Bull react with a stop for Webber.

Lap 14: Schumacher rejoins after that stop and is immediately in a fight for position with Robert Kubica. They both trip across the grass at Turn 3 but Schumacher holds his position - seventh.

Lap 15: This will be a very long stint for everyone on hard tyres as they won't want to spend many laps on the softs.

Lap 15: Buemi is yet to pit and about to take the lead as Vettel pits.

Lap 15: Petrov pits the Renault as he answers the jump start penalty. He spends a total of 14 seconds in the pitlane. He is out of the top 20.

Lap 15: Vettel had a handy lead as the Red Bull gambles on soft tyres!

Lap 15: Schumacher pits from ninth. This is the German's second stop. He takes on hard tyres and rejoins the race outside the top ten.

Lap 16: Alonso is all over Buemi as they fight for the lead.

Lap 16: Hamilton pulls a fantastic opportunistic move around the outside of Alonso into the final chicane as Buemi pits.

Lap 16: Buemi pits the Toro Rosso from the lead of the race. He rejoins in around eighth position.

Lap 17: Hamilton leads a breathless Canadian Grand Prix from Alonso and Button.

Lap 17: Vettel is now fourth ahead of team-mate Webber.

Lap 17: Nico Rosberg has passed Heikki Kovalainen for ninth position. Kovalainen pits from tenth.

Lap 18: Robert Kubica has survived that skirmish with Schumacher to run sixth ahead of Sutil in the Force India.

Lap 18: Teams will now be frantically rethinking the strategy and wondering how many more stops they should make.

Lap 18: Massa is up to 16th place in the Ferrari and is making reasonable progress. That becomes 15th as he passes the pitted Kovalainen.

Lap 18: Hamilton, Alonso and Button have the advantage of not being forced to use the soft tyre again - something Vettel will also avoid given he is out on that fragile rubber now.

Lap 19: Rosberg sets the fastest lap of the race with 1m19.431s in ninth. Behind him Hulkenberg is tenth, Alguersuari is 11th and he has Schumacher crawling all over the back of him in 12th.

Lap 20: Rosberg does it again and posts a whopping 1m19.214s. He remains ninth but just 2.5s behind Buemi.

Lap 20: Hamilton leads but Alonso is not giving up the fight in his Ferrari and is under a second behind the McLaren.

Lap 20: Onboard shots show some rear graining on Hamilton's tyres but his pace is good at the moment in the low 1m20s.

Lap 20: De La Rosa pits from 16th and Petrov is in for tyres. This is his first tyre change following that drive-through penalty.

Lap 21: The Red Bull pair have fresher tyres but are currently slower than the leading three cars.

Lap 21: The race is finally beginning to settle down a little as battles develop. Massa passes Kovalainen for 14th place.

Lap 21: Vettel finds better pace now on the softer tyres as more rubber goes down on the surface.

Lap 22: Buemi is holding on to that eighth place but has fallen to 4.9s behind Sutil. Rosberg is ninth with Hulkenberg a fine tenth.

Lap 23: Improving pace from the Red Bulls now with a 1m20.049s for Webber.

Lap 23: Alguersuari is 11th and Schumacher still isn't able to find a way past him in 12th. Liuzzi is 13th - 16 seconds behind Schumacher.

Lap 23: Alonso reckons it it "looking good" as he is told of the positions and tyre choices on the radio.

Lap 24: Massa is 14th and Kovalainen is only three seconds behind the F10 in 15th with De La Rosa 16th, Barrichello 17th and Trulli 18th.

Lap 24: Alonso is right in striking distance of leader Hamilton to try and make the difference at the next round of stops.

Lap 25: Lucas Di Grassi runs in the 19th position. Glock is 20th, 12 seconds behind him. Petrov is 21st but it's all going wrong for the Russian.

Lap 25: Vettel is asked to tell his engineers if his tyres are falling apart but he thinks the rear tyres are only falling off slowly at this stage.

Lap 25: Petrov has been handed a second drive-through penalty for causing a collision at the start of the race.

Lap 25: Meanwhile, Sutil is right on the gearbox of Kubica and the pair squabble into the first corner.

Lap 26: It's possible Kubica lost some aerodynamic parts in that off-track incident as Schumacher barged by at Turn 3.

Lap 26: Hulkenberg and Liuzzi pit together from 12th and 13th positions.

Lap 26: Vettel's pace is very good at the moment as he laps in the late 1m19s.

Lap 26: De La Rosa passes Kovalainen for what is now 14th place at the Casino hairpin.

Lap 27: Petrov and Glock are in the pits. Petrov takes his drive-through penalty and rejoins after a total time of 14 seconds in the lane.

Lap 27: Hamilton pits again after getting in another wheel-to-wheel scrap with Alonso.

Lap 28: Alonso is sprinting now and is about to set the fastest lap of the race.

Lap 28: Sutil is in the wars with what looked like a puncture.

Lap 28: Button, Vettel and Rosberg pile in to the pits.

Lap 29: Alonso pits from the lead, handing that to Webber who is running a bit longer on his rubber.

Lap 29: Adrian Sutil ran off the road at Turn 1. He rejoined but with a punctured right rear tyre. The tyre almost threw him into the wall coming down the penultimate straight as it delaminated badly, but he made it into the pits and has had fresh tyres fitted.

Lap 30: Nico Hulkenberg has been given a drive-through penalty for speeding in the pitlane. He is tenth at the moment.

Lap 30: Webber is currently leading the race from Hamilton and Alonso.

Lap 30: Webber is yet to make a second stop.

Lap 31: Replays show Alonso got caught up behind a Lotus and that prevented him leaping Hamilton at that round of stops.

Lap 31: Sutil rejoined in 13th and has since barged his way past team-mate Liuzzi at Turn 1. Sutil now 12th.

Lap 31: Nico Hulkenberg comes in to take his drive-through for speeding in the pitlane. He rejoins in around 15th place.

Lap 32: So it's now Webber from Hamilton, Alonso, Button, Vettel, Buemi and Kubica.

Lap 32: Barrichello pits from 15th place in the Williams, as does Jarno Trulli in the Lotus.

Lap 32: Vettel is back on the harder tyre after that stint on the softs. He's behind Button at the moment.

Lap 33: Pedro De La Rosa is out of the race. He rolled to a stop at the Senna S with smoke pouring out of the back of the Sauber.

Lap 33: Webber of course still needs to run the softer tyres as he is one of the few yet to do so.

Lap 34: Nico Rosberg is eighth with Mercedes team-mate Schumacher now ninth after getting the better of Alguersuari some time ago.

Lap 34: Webber's pace is very good at the moment well into his spell on the harder tyres.

Lap 34: As the race continues, of course, rubber goes down on the asphalt and reduces the issues with the tyres as grip levels increase.

Lap 35: Kovalainen pits from 16th place in the Lotus and rejoins. Schumacher now pits from ninth.

Lap 35: Schumacher takes on the super-soft tyres and rejoins in tenth place.

Lap 36: Vettel is asking the team if he needs to pass Button to win but may be disappointed to hear that Alonso and Hamilton are also on the same strategy and need to be passed too.

Lap 36: Behind Schumacher, Hulkenberg hardly lost any places in that earlier drive-through and runs in 11th, with Sutil 12th and Liuzzi 13th.

Lap 36: Felipe Massa is 14th and once again sets the fastest lap of the race - 1m19.024s.

Lap 38: Race control announce that an earlier incident between Robert Kubica and Adrian Sutil will be investigated after the race.

The incident involved a strange choice of line at the entrance to the final chicane and the pitlane.

Lap 38: Webber leads by 11.8 seconds over Hamilton and Alonso. The leader is told those cars plan to run to the end on tyres.

Lap 39: Red Bull will of course know Vettel's plans and reckon Hamilton, Alonso and Button are all planning a lengthy final stint.

Lap 39: Webber of course needs a stop for softs and his current lead is not enough to make a stop and resume still in the lead.

Lap 39: Felipe Massa has spent the whole race chasing after Liuzzi following their pitlane repairs at the end of lap one. They are now together, fighting over 13th place.

Lap 40: Sutil is just ahead of the squabbling pair in 12th and hasn't been able to pull away since passing his Force India team-mate.

Lap 40: Webber reports his tyres are slowly starting to go off. He faces a lengthy stint on soft rubber if he pits any time soon.

Lap 40: Hamilton sets the fastest lap at 1m18.810s and closes to 10.2 seconds off the lead.

Lap 41: Vettel is the next man to take the fastest lap with a 1m18.650s.

Lap 41: Hamilton is told to look after his rubber as Webber's fades. He is now just nine seconds off the lead.

Lap 42: Sebastien Buemi has done a great job all day. He is eighth and now catching a four-second gap to Nico Rosberg, who is seventh.

Lap 42: Behind the intriguing top five battle, Kubica is falling away in sixth with Rosberg also drifting in seventh and no real battles in the latter half of the points.

Lap 43: Massa decides it is time to have a go at Liuzzi. Seconds out it's round two between the pair at Turn 1 and the Brazilian takes the outside line. It doesn't pay off and the Force India driver holds on to 13th.

Lap 43: The gap is down to 8.2 seconds between Webber and Hamilton as the leader is arriving behind a wall of traffic.

Lap 43: Massa is fed up sitting behind the Force India and pits. He takes on hard tyres and will run to the end.

Lap 44: Webber will resume behind team-mate Vettel if he stops at the moment in that large gap building to sixth-place man Kubica.

Lap 44: Alonso is the next man on a charge as he clocks a 1m18.567s.

Lap 44: Hulkenberg defends his position against Adrian Sutil by taking the straight-line route at the final chicane. It will be interesting to see if the stewards feel the Williams driver gained an advantage. This is the battle for tenth.

Lap 44: Alguersuari pits the Toro Rosso and rejoins the action in 12th place.

Lap 45: Webber is losing out horribly in this traffic and his lead is fading rapidly.

Lap 45: Alonso still has Hamilton right in his sights and will be keen to resume the scrap between this explosive pair.

Lap 45: The Hulkenberg-Sutil battle for tenth is temporarily halted as the leaders come through to put a lap on the midfield men.

Lap 46: Hamilton and Alonso are now in this heavy traffic and the Ferrari is right with the McLaren.

Lap 46: Christian Horner tells Vettel to try and pass those infront as they are going to the finish.

Lap 46: Webber continues to fall backwards and is just 3.6 seconds ahead of Hamilton at the line.

Lap 47: Hamilton's rear tyres look in reasonable shape at the moment but the second-place man has a long way still to go if he is to finish on this rubber.

Lap 48: Behind this amazingly tight scrap at the front, Kubica is sixth but 42 seconds down on the leader. Rosberg is four seconds further back in seventh.

Lap 48: Vettel is told on the radio that the Red Bull team is managing an issue, whatever that means.

Lap 48: Hamilton is now just 1.7 seconds behind Webber, who has extensive rear graining in the Red Bull.

Lap 49: Jarno Trulli retires from the race and that looks like brakes all the way as he dejectedly jumps out of the Lotus.

Lap 49: The gap is even closer now and a move for the lead is developing here.

Lap 49: Alonso will look to pay back Hamilton for his earlier opportunism as the McLaren looks for a way to take the lead.

Lap 49: Buemi has now caught Rosberg and we have a battle looming over the seventh position.

Lap 50: Hamilton is right on Webber for the lead now

Lap 50: The McLaren man sends another great move into Turn 1 and Hamilton leads again in Canada.

Lap 50: This has been a truly sensational grand prix so far and there are still 20 laps of action to go.

Lap 50: There is chaos further back as Hulkenberg in tenth leads a train with Sutil, Alguersuari, Massa and Liuzzi all right behind him.

Lap 50: Alonso is now looking to pass Webber, who surely must pit shortly.

Lap 51: Webber seems set for fifth place no matter what he does. He pits.

Lap 51: Hamilton leads by 1.9 seconds over Alonso. Button is a further 2.6 seconds behind, with Vettel fading slightly now 9.8 seconds off the lead.

Lap 51: Massa is on the move towards the points. He passed Liuzzi one lap ago and has just overtaken Alguersuari for 12th place.

Lap 52: That pack all plan to run to the finish and Webber's only hope now is that he finds great pace on soft rubber while the others run out of grip.

Lap 52: Buemi has been into the pits from eighth. This promotes Schumacher with the Swiss rejoining in ninth spot.

Lap 52: Hamilton is building his lead at the moment and is now 3.2 seconds up on Alonso.

Lap 53: Button is the man on the move now as the track seems to be coming to the McLaren men. He is right on the case of Alonso now.

Lap 53: Massa is on the tail of Adrian Sutil and the fight for 11th place continues.

Lap 53: Webber has come out 20 seconds off the lead but isn't quicker despite his fresh rubber.

Lap 54: Alguersuari is coming back towards the Sutil-Massa fight and it's now a three car train as they attempt to lap Kovalainen.

Lap 54: Massa takes advantage of the traffic scenario and slices up the inside of the Force India at Turn 6. The Ferrari is now 11th.

Lap 54: Button remains right with Alonso's Ferrari but is still to make a move that could give McLaren another one-two.

Lap 55: Replays show Sutil waving his hand in the air in disgust at Kovalainen as Massa was pulling that move on him.

Lap 56: Timo Glock is in the pits and there looks to be trouble for the Virgin driver. He was in 20th and last position.

Lap 56: Webber finally finds some speed on the soft tyres and clocks a 1m18.655s but he has an 11 second gap to catch team-mate Vettel.

Lap 56: Button has done it on Alonso!

Lap 57: A mangle in traffic delayed Alonso and Button steamed around the outside to take second at Turn 8.

Lap 57: Massa - now free of the Force India pair - is homing in on Nico Hulkenberg very quickly. When he catches the Williams the battle will be on for the final point.

Lap 58: Alguersuari runs wide at the Turn 8 chicane. He loses a couple of seconds and that is enough to put Liuzzi right on his gearbox. Liuzzi needs no second invitation and takes 13th from the Spaniard.

Lap 58: So, it's now a McLaren one-two in Canada as Hamilton leads by 3.1 seconds from Button. Alonso will want to make amends for that slip in traffic and is right on Button to take the place back.

Lap 59: Hamilton will be happy to let that scrap rage behind as he tries to protect his rubber to the finish.

Lap 59: Webber is making progress on his soft tyres and is closing on team-mate Vettel. His pace isn't enough to threaten the podium places currently, however.

Lap 60: Button is closing on Hamilton at the moment and his tyres look to be in the best shape thanks to his smooth driving style.

Lap 60: Sebastien Buemi wants the eighth place back that he has occupied for much of the race. But, to get it he'll have to pass Michael Schumacher.

Lap 61: Hamilton leads by 2.1 seconds over team-mate Button in a thrilling Canadian Grand Prix.

Lap 61: Alonso is right with the world champion and this could be a very close finish with just over eight laps to go.

Lap 61: Schumacher defends to the inside on the long run down the penultimate straight, but Buemi comes back into Turn 1 and passes Schumacher to retake eighth.

Lap 62: Hamilton is responding to that pressure and sets the fastest lap of the race. 1m18.025s stamps the leader's authority on proceedings.

Lap 62: Nico Hulkenberg has been in for a stop. That releases Massa into tenth.

Lap 62: Also, Liuzzi has overtaken his team-mate Sutil for 11th.

Lap 63: Robert Kubica stopped for fresh soft rubber in recent minutes and sets the fastest lap at a quick 1m17.606s.

Lap 63: Alguersuari is now 13th and Hulkenberg rejoined in 14th position.

Lap 63: Hamilton is pushing on but is told to look after his tyres with the 3.4 second lead gap looking good for the McLaren man.

Lap 64: Robert Kubica has also been into the pits and Rosberg moved up to sixth. The Pole is now chasing down the Mercedes driver.

Lap 65: Massa quickly caught up to the back of Schumacher and made a move to pass. Schumacher held the position and Massa has damaged his front wing.

Lap 65: Massa is now into the pits and the Ferrari mechanics change the wing. He rejoins, out of the points.

Lap 66: That's a great shame for Massa. He's driven hard all day from the back to try and get a point or two and when he gets there an incident with Schumacher knocks him down the field again - a wasted good drive.

Lap 66: So that incident promotes Tonio Liuzzi into the points and tenth position. He is another who has had to fight hard from the back.

Lap 67: Hamilton leads by 3.5s over Button in second. Alonso is third with Vettel fourth and Webber fifth with under three laps to go.

Lap 68: Now Liuzzi is catching Michael Schumacher as a battle for ninth develops.

Lap 69: The Williams of Nico Hulkenberg is in trouble with gear ratios and he's hitting the limiter well before the end of the penultimate straight.

Lap 69: Nevertheless he's still attacking Alguersuari hard for 12th.

Lap 70: Hamilton goes on to start the final lap in Canada.

17:37 Lewis Hamilton wins the Canadian Grand Prix!

17:37 It has been another sensational afternoon with decisive overtaking moves once again making the difference in a hard-fought scrap at the top.

17:37 Liuzzi is also fighting hard with Schumacher in a fight for ninth ... he sends a move up the inside but the German holds him off.

17:37 Button cements another McLaren one-two and the Woking-based team top both championship tables.

17:37 Liuzzi is through and past Schumacher at Turn 8 as Schumacher is forced wide.

17:37 Alonso secures the final podium spot while Vettel takes a solid fourth for Red Bull but hasn't been a great strategy day for the team.

17:37 Webber finishes fifth with his alternative strategy failing to pay off.

17:38 Kubica is seventh after losing out to Rosberg with that pitstop near the end. He's also sure to be unhappy about that earlier squabble with Schumacher leaving the pits.

17:40 Buemi finishes in a fine eighth place but it was chaos behind him. Liuzzi held on to that ninth place and at the final chicane Sutil drilled Schumacher to take tenth place.

17:40 Hamilton is overjoyed with his second win of the season and he will be happy with the fighting style in which the win was achieved.

17:41 Schumacher finishes 11th and scores no points as the young hungry drivers attack him yet again. Alguersuari was 12th with Hulkenberg 13th.

17:42 Hamilton steps out of the winning car and is clearly delighted as he heads to the podium.

17:42 Barrichello finished 14th with Massa eventually 15th, Kovalainen 16th, Petrov 17th after two drive-through penalties, Chandhok 18th and Di Grassi is the last classified finisher in 19th.

17:44 God Save The Queen rings out over the Montreal podium in honour of today's winners - Lewis Hamilton and McLaren.

17:45 Lewis Hamilton picks up the winners trophy and he is now on top of the drivers standings after an impressive drive to victory this afternoon.

17:45 McLaren team manager, David Redding, accepts the constructors' prize for another one-two.

17:45 Jenson Button takes his award for second place. The world champion drove a very good race, finishing 2.2 seconds behind his team-mate.

17:46 Alonso takes the third-place trophy after a solid result. However, the Spaniard may be upset about one or two incidents in that race.

17:47 The champagne sprays on the podium after a brilliant race on the Ile Notre Dame.

17:47 It has been an extraordinary Canadian Grand Prix with an endless list of talking points for the coming hours.

17:47 Stick with AUTOSPORT for news of all the stewards' investigations set to take place this afternoon.

17:49 Five drivers retired from the Canadian Grand Prix:

• Timo Glock, Jarno Trulli and Bruno Senna all retired in the pits with mechanical problems.

• Pedro De La Rosa stopped out on track with what looks likely to be an engine failure.

• Kamui Kobayashi was the first casualty. He got launched on the kerb at the final chicane and bumped into the wall of champions. He retired at the side of the track just 300 metres later.

17:50 Here's our round-up of a fascinating race in Canada:

Hamilton heads McLaren 1-2 in Canada

17:55 Another hard-fought race between the championship contenders shakes out in favour of McLaren. Hamilton and Button top the drivers' standings, with their team enjoying an increased margin in the constructors' table.
World Championship standings, round 8:                
Drivers:                    Constructors:             
 1.  Hamilton     109        1.  McLaren-Mercedes          215
 2.  Button       106        2.  Red Bull-Renault          193
 3.  Webber       103        3.  Ferrari                   161
 4.  Alonso        94        4.  Mercedes                  108
 5.  Vettel        90        5.  Renault                    79
 6.  Rosberg       74        6.  Force India-Mercedes       35
 7.  Kubica        73        7.  Williams-Cosworth           8
 8.  Massa         67        8.  Toro Rosso-Ferrari          8
 9.  Schumacher    34        9.  Sauber-Ferrari              1
10.  Sutil         23       
17:57 An unbelievable race weekend comes to an end with McLaren scoring a one-two in great fashion to take a clear lead in both championships.

Tyres dominated the action and the quality of racing in the first 15 laps was nothing short of phenomenal. Fights all the way through the field, incidents, penalties and some really good overtaking moves. Who needs rain?

This was the 2010 Canadian Grand Prix on AUTOSPORT Live. Thanks for joining us throughout the weekend either for the Le Mans 24 Hours or the Formula 1.

We will be back in two weeks' time for the European Grand Prix at the America's Cup port in Valencia.

Race length: 70 laps
Mainly sunny High Temp: 24°C / 75°F
Track: Dry
Loading info ...
Monday 07 Jun Start GMT
 Canadian Grand Prix Weather 15:00
Friday 11 Jun
 Friday Morning Practice 13:45
 Friday Afternoon Practice 17:45
Saturday 12 Jun
 Saturday Morning Practice 13:45
 Qualifying 16:45
Sunday 13 Jun
 Race day in Montreal 15:00