And that’s the end of the session. Hamilton quickest from Vettel, Rosberg, Alonso and Webber. Join us at 19.00 BST for the second session.
Free Practice 1
Canadian Grand Prix - 8 June 2012
Canadian Grand Prix – Follow this F1 race live with Eurosport. The action starts at 15:00 on 8 June 2012. Our live coverage lets you follow all the key moments as they happen.
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Vettel improves to third on the super softs.
Webber jumps to fourth but is quickly displaced by Alonso. Lots of changes in the final moments of the session.
Hamilton still quickest forom Rosberg and Alonso as Perez has an excursion at turn one.
Webber, Vettel and Schumacher also trying out the super softs.
Rosberg out on the super softs.
It has been confirmed that Button is suffering from an oil leak.
Kobayashi goes fourth fastest with a 1:16.000.
Button has sat in the McLaren garage for some time, his mechanics working on his gearbox and rear wing.
Vettel goes fourth fastest and only four tenths separate the top four drivers.
Alonso struggling a bit, locking up into the hairpin. He recovers to go third fastest.
Vettel goes off across the grass at turn 9.
Rosberg briefly goes quickest with a 1:15.782 but Hamilton betters the mark with a 1:15.564.
Only Button and Kovalainen are in the pits.
Hamilton has a brief off track excursion at turn two but continues.
Both Lotus drivers and Karthikeyan now on the super softs.
Ferrari are making changes to Massa’s exhaust layout.
Kimi Raikkonen has decided to buck the trend and experiment on the super soft tyres. An indication that heavier rain is imminent. Schumacher follows suit.
The session is underway again and Alonso leads the cars out.
The session will shortly be underway again.
Kovalainen: “I’m okay. It looked more dramatic than it was, I lost it on the exit and the rear clipped the wall. It can happen sometimes. Hopefully we can get out in the second session and have some running.”
The marshals are craning Kovalainen's stricken Caterham off the circuit.
The red flag is out and it will be a fairly extensive clean up operation.
Kovalainen has crashed into the barrier at sector nine, sliding off the circuit and into the barrier. First big incident and there is a red flag. Bits of his car all over the circuit.
Mercedes have reported that the rain is getting heavier at certain parts of the circuit.
Button is finally up and running, setting the sixth quickest time with a 1:16.347.
Senna has been told to turn off his DRS system because it isn’t working properly.
Sebastian Vettel is now the second quickest man on the circuit, bettering Rosberg’s time.
Michael Schumacher joins the fray to go third fastest with a 1:16.310.
Yellow flag out as Bruno Senna goes straight on at turn four. He manages to reverse and rejoin the action.
Nico Rosberg sets the fastest time in the final sector and goes second quickest with a 1:16.153.
Mark Webber runs across the grass at turn five, the spot where the fox ran across the circuit.
There are still spots of rain as Grosjean does well to avoid a fox running across the circuit!
Grosjean has a brief off track excursion at turn nine.
If you’re wondering about the Red Bulls, Webber is seventh quickest and Vettel 16th. Embryonic stages of the weekend though. Only Charles Pic, Jenson Button and Timo Glock have yet to set a competitive time.
Hamilton remains fastest having completed nine laps. He is currently in the pits.
Red Bull have cut holes out of the brake hubs in an attempt to lose some further weight.
McLaren putting some tape on the front left brake duct of Jenson Button’s car. An attempt to cool the brakes on this tough circuit.
Half an hour in and Hamilton still quickest from Kobayashi, Massa, Rosberg and Schumacher.
Heikki Kovalainen is the latest driver to have problems with the final chicane.
If the rain becomes heavier, we may not see much change in the times. Hamilton goes quickest with a 1:16.080.
Some drivers are having problems with the final chicane and Paul di resta cuts across it. Di Resta has also reported drops of rain on his visor and Nico Hulkenberg’s mechanic has warned him that the final corner is slippery.
A few drops of rain have started to fall, which is why there are so many cars currently on the circuit.
There is only one DRS zone in place at Montreal this weekend, the straight before the start finish line.
Precious little incident so far but Senna runs wide across the grass at turn nine. No serious issue for him though.
The tyres are beginning to come to the drivers and the Lotus boys are swapping best times. Rosberg is the new fastest man with a 1:16.837.
Grosjean has gone quickest again with a 1:17.386, marginally quicker than his team-mate.
With Montreal boasting a mix of long straights and tight hairpins, tyre wear will be tested this weekend. It’s also an extremely demanding circuit on brakes.
It’s possible we may see super softs in action with rain expected later.
Raikkonen betters the mark with a 1:18.703.
So Grosjean is top of the timesheets with a 1:20.295, marginally quicker than Raikkonen’s 1:20.347.
He is joined on the circuit by Sergio Perez, Jean-Eric Vergne and Romain Grosjean.
Kimi Raikkonen is bidding to be that seventh winner and is out on the circuit. No driver yet to set a competitive time, however.
Our resident expert Will Gray thinks there could be a seventh different winner in as many races.
Williams have brought a new rear wing to Montreal and are using a black light to analyse its performance.
Button, who won in Australia, is the only driver to have completed two laps.
After their initial installation laps, all the cars are now back in the pits.
The ambient air temperature is 21 degrees Celsius and track temperature is 22 degrees. All cars on the soft compound early on.
Ferrari have a new exhaust on Felipe Massa’s car. As usual, there is a flurry of action with all the cars taking to the circuit for their initial installation laps.
The free practice session is underway. Pirelli have bought the same red super soft and yellow soft compounds as in Monaco.
The big news is that Red Bull have been forced to redesign the floor of their car subject to an FIA clarification of the rules.
The weather is currently cloudy and overcast and the radars suggest there is a bank of rain heading towards the circuit. It could make for a lively free practice session. We are expecting rain at around midday Montreal time, which will be during FP2.
Hello and welcome to our live coverage from free practice 1 for the Canadian Grand Prix in Montreal.