That's that, then! World champion Sebastian Vettel is quickest in the FP2 session. The German took control early on will go into tomorrow's qualifying session confident of taking pole. Thanks for joining us.
Free Practice 2
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With just three minutes remaining of this second session, world champion Vettel leads from Webber, Hamilton, Raikkonen and Rosberg. That's the way that it will stay, too...
Something's obviously wrong with Grosjean's car. The Frenchman has completed just seven laps on the softs - and two during his previous stint - but comes into the pits with eight minutes remaining. That could be his evening over.
Raikkonen and Bottas almost collide on turn 8. Bottas locks up on 6 which allows for the Finn to close the gap. Raikkonen attempts to go past his opponent on the inside, but the unsighted Bottas forces the Lotus man to back off.
It appears that Grosjean is having serious problems with his brakes. The Frenchman is back in the pits with his team working on the front-right brake disc.
Vettel still he fastest man on the track. He can be heard on the radio asking his team how the pace is. The world champion is given an encouraging response. "The pace is perfect."
Adrian Sutil is now back out on the track. He, too, had earlier brake issues. The Force India team have done superbly well to get both men back in the session.
Caterham's Dutchman Giedo van der Garde carries far too much speed into turn 17 and spins off. Nothing serious, though...
Paul di Resta is now back out on the track. His brake/tyre issue has been fixed, but the Scot instantly flies through a corner and cuts the curb very fine.
Hamilton, who is currently on a long run on the soft tyres, has seen his lap times drop off by around six seconds over the last ten laps or so. Webber, now carrying more fuel, has also seen his lap times drop - now around 5.5s slower on the softs.
Raikkonen has racked up the joint-highest number of laps so far - 21 alongside Gutierrez.
Night has now fallen in Abu Dhabi. The blue skies and picturesque sunset have been replaced by the floodlights over the circuit.
Webber returns to the pits and returns with a much-greater fuel load. Can he get near his fastest time, despite the heavier car?
So it's a Red Bull one-two at the moment with Vettel and Webber leading from Hamilton, Raikkonen and Rosberg.
Red Bull team principal Christian Horner has said that the smell in Vettel's cockpit was not caused by the driver. "It looks like it's come from another car. Button looks like he had a problem with his tyres, so could have been that."
There's lots of conversations going on between the drivers and their teams. Vettel is the latest to complain about something and it's a very strange once. The German complains of "a funny smell" in the cockpit and returns to the pits.
Chilton spins on turn one. The Marussia driver clips the curb on the way round and slightly over-does it. Nothing bad, though, and the Brit is able to continue.
Jensen Button has been told to "slow down, we have a puncture." His response to his team was: "I can see my tyre. It looks the same as the other one on the back - black and round." Nevertheless, the Brit returns to the pits.
Red Bull's Sebastian Vettel goes fastest on a set of softs. The German sets the fastest time of the weekend with a 1:41.335.
di Resta update: It appears that the Force India man's tyre problem originated from a broken brake disc that pierced the trye.
Paul di Resta's session could well be over. The driver is out of his car and looks less-than-happy stood at the rear of Force India's garage. His team continue to work on the car, but it doesn't look promising for the Scot.
Grosjean flies into the first corner and gets it all wrong. The man who led the opening session loses two-tenths of a second compared with his fastest lap.
Hamilton goes fastest. The majority of drivers out on the track are now on the softs. Perez is finding pace in the McLaren but not as fast as the Mercedes man who sets a 1:41.690.
The Force India mechanics appear to be looking at di Resta's brake. Replays show that something on the underside of his car was catching the floor as he returned to the pits. I'll keep you updated on that...
Paul di Resta returns to the pits. It initially looks like the Scot had a puncture but it could well be that the Force India driver may have caught something that caused his tyre to burst.
There's some debris on the track as Marussia's Max Chilton loses his brake duct. A marshall waddles onto the rack to retrieve the part.
Raikkonen goes faster yet again. He's found an extra two seconds compared to his fastest lap on the hards. The Lotus man clocks a a 1:41.726.
Raikkonen returns to the pits and then emerges back on track with the soft-compound tyres. The Finn completes his first hot lap and then goes fastest around the track with a time of 1:43.623.
Jean-Eric Vergne has had some problems with his Torro Rosso. It appears that the issues persist with his suspension. The mechanics are busy working on the car.
Grosjean complains about his car via his radio. “There's a lot of vibration from the steering. It’s driveable but very strange.”
We have a change at the top. Hamilton and Vettel switch fastest times. Vettel currently leads this second practice with a time of 1:43.062.
Button complains to his team that there is "traffic from Mercedes." Understandably, the McLaren driver was unaware as to who was aggravating him, though it was his compatriot Lewis Hamilton.
Great lap from Perez, who has the green light on his opponents through each section. The McLaren driver clocks a time of 1:43.566.
Raikkonen was one of the first out, keen to set a good time. He's looked quick through his opening few laps, setting personal bests through each sector on his way to a fastest lap of 1:43.623.
McLaren's Jenson Button, after complaining to his team that the DRS beeps are "deafening," sets the quickest lap with a 1:44.079.
Raikkonen, Chilton, Vergne and Ricciardo are all out on the track. Kimi sets the quickest lap early on with a time of 1:44.360.
Marussia's Max Chilton gets out on the track straight away after handing his car to Rodolfo Gonzalez this morning.
We're underway. We'll have 90 minutes of this second practice. As expected, nobody is out on track as of yet.
Good afternoon and welcome to LIVE coverage of the second free practice session of the 2013 Abu Dhabi Grand Prix. Romain Grosjean was quickest in the earlier session after pipping Lewis Hamilton during his penultimate lap.