Good evening everyone and welcome to live text commentary from FP2 in Canada! 90 minutes of testing begins here.

We'll be back tomorrow for more - there's an hour of free practice three at 15:00 UK time, followed by qualifying at 18:00 UK time. Plenty to talk about, and we hope you'll join us for it!

So practice ends with Alonso on top - 0.369 seconds ahead of Vettel. Massa in third, so a good session for Ferrari. McLarens in fourth and fifth, while di Resta ends a creditable sixth.

Looks as if Vettel had a little more fuel on board than it first appeared. De la Rosa is the only driver to improve in that final session - he finishes 18th - a creditable effort.

SESSION OVER! Finish your final laps, gentlemen...

Vettel describes 'vibrations' as he pushes on the super softs. Looks like Alonso will end up on top unless someone pulls out something inspired.

Schumacher hasn't improved - Rosberg has only done so marginally. They are 20th and 18th respectively, and they've not gone for broke in this session once.

Di Resta canters past the Williams of Maldonado but doesn't improve on his own best - what drama remains in the last moments of the session?

These last moments have the feel of the final moments of qualifying, but there are actually perhaps too many cars on track - hard for drivers to find the room they need to push for a best time.

More cutting of the final chicane - first Heidfeld, then de la Rosa. Almost every driver has slipped up there at least once today.

Still no sign of the Mercedes duo upping the ante. Hamilton also appears to be running a heavier fuel load in the McLaren.

Alonso quickest in the first sector, but loses that time advantage all of a sudden. De la Rosa wins a little battle - he's managed to find enough pace in the Sauber to nip ahead of D'Ambrosio for P23.

Alonso improves his personal best and the leading time in the session 1:15.107. Meanwhile Paul di Resta has jumped up to sixth about a second behind Alonso's best. Sutil will have to watch on in frustration.

Vettel instructed to overtake in order to free some space. His team keen to know what the tyres are capable of.

Looks like Lewis Hamilton will be able to go out again - the car has been patched up, the tyres taped.

De la Rosa puts down a time - 1:21.873 - a full 6.6 seconds off the front. Given it's his very first lap in the car, it's not a huge surprise. He's got a lot to do just to make sure he's within 107% of the qualifying time.

Vettel will be one to watch - the defending champion is out on super soft tyres.

Right - away we go again. A flurry of cars back out on track, all looking for enough space to put a quick lap or two down without hitting traffic.

The floor of Hamilton's car appears to have broken and will need replacing. If so, that's the end of his session.

Again, the news comes through that we are 90 seconds away from the resumption of the session. Let's hope it will be an uninterrupted 14 minutes...

Interesting - Lewis Hamilton picked up a puncture on his right rear and had to limp back to the pits. The mechanics will have to have a good look at the car before he gets back out.