We're back tomorrow from 12.30pm UK time for full coverage of the race - stay with us in the meantime for all the latest developments from Bahrain.
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Vettel nicks it at the death yet again! 1-Vettel, 2-Hamilton, 3-Webber, 4-Button, 5-Rosberg, 6-Ricciardo, 7-Grosjean, 8-Perez, 9-Alonso, 10-Di Resta.
Hamilton... P2! And P4 for Button. POLE POSITION FOR VETTEL!!
Webber goes P1, but THEN VETTEL TRUMPS HIM!!
Here's Rosberg... he's a tenth up after the first sector... but slightly down after the middle sector... ONLY P4!
Everybody out on the track...
So, let's steel ourselves for the second and final blast. Mercedes readying Nico Rosberg for his only hot lap.
P4 for Vettel - he rather specialises in these late charges.
Hamilton P1 1:32.671, just ahead of Button and Webber - fractions in it.
Vettel, Webber, Button, Hamilton and Alonso on the track. The others might be settling for just a single stint.
Jenson Button is the first man out of the pits, and he is on used soft tyres.
And we're under way! Ten minutes to determine the grid...
And in Q3: Vettel, Webber, Button, Hamilton, Alonso, Rosberg, Grosjean, Di Resta, Perez, Ricciardo.
Eliminated: 11-Raikkonen, 12-Kobayashi, 13-Hulkenberg, 14-Massa, 15-Senna, 16-Kovalainen, 17-Maldonado.
Great lap from Perez to condemn Massa... and here comes Grosjean! All change on the timesheet and big names are tumbling. Alonso saves his bacon with a last gasp P4.
Di Resta goes fifth, which pushes Fernando Alonso into 11th! The Spaniard is on track and needs a lap - and if he does it he could relegate his team-mate Massa!
Massa climbs to P9, but that may not be enough to qualify. Rob Smedley looks happy, however.
Heikki Kovalainen has not posted a lap yet, presumably for the same reason. He has little realistic chance of making Q3. Still, seems a shame not to try having made it past the first cut.
Pastor Maldonado is not going to post a time in Q2, and will settle for 22nd on the grid with that five-place penalty for changing his gearbox. Not running allows him to start the race with his preferred setup.
Very tight at the top, with eight drivers under the 1:34 mark.
In the danger zone: 11-Grosjean, 12-Ricciardo, 13-Massa, 14-Hulkenberg, 15-Di Resta, 16-Maldonado, 17-Kovalainen.
1:33.209 from Hamilton - P1 and faster than Nico Rosberg. Great lap from the Briton.
Felipe Massa is an early P1 with 1:34.861...
Michael Schumacher has said he did not do a second run in Q1 because of a problem with the rear wing - not a tactical blunder.
Massa, Di Resta and Hulkenberg are out on the track.
The second session is under way - 15 minutes to bin off another seven drivers.
That's a tremendous effort by Heikki Kovalainen and Caterham to get into Q2.
Eliminated from Q1: 18-Schumacher, 19-Vergne, 20-Petrov, 21-Pic, 22-De La Rosa, 23-Glock, 24-Karthikeyan.
Kovalainen P17 and that means MICHAEL SCHUMACHER IS OUT!! Disaster for Mercedes! They look the pick of the bunch, but a terrible miscalculation has seen the great man dumped out.
Maldonado is P18 but this looks like a quicker lap... he goes P13 and that relegates Vergne!
Into the final minute, and what changes will we see at the business end?
Jean-Eric Vergne goes P10 on soft rubber.
Timo Glock clocks a 1:37.9 - he's still in the danger zone but that lap gets him within 107%.
Most of leading runners are in the pits. It looks like anything under 1:36 should be OK.
The bottom seven: Senna, Petrov, Vergne, De La Rosa, Kathikeyan, Pic, Glock.
P1 for Grosjean, 1:34.041. Raikkonen P2.
Mark Webber lets a couple of cars past him as he seeks a bit of empty track.
Decent laps from Alonso, Button, Vettel, Schumacher, Webber - all under 1:35.3 and they should all be safe.
Hamilton has a bit of a moment, locking up into turn eight and running wide; that will cost him a potential quick lap.
Fernando Alonso comes out on soft tyres! Not willing to risk it on medium compound rubber - a sign of Ferrari's troubles.
Nico Hulkenberg leads the way with a 1:35.970 lap. That will improve.
Felipe Massa is the first 'big gun' to come out of the pits, but in all honesty it would hardly be a surprise if he exited in Q1.
Qualifying is under way - the P1 format is this: a 20-minute session, at the end of which we eliminate the bottom seven drivers.
Welcome to LIVE coverage of qualifying for the Bahrain GP from Sakhir.