Postpublished at 14:36 British Summer Time 23 June 2017
The yellow flags are put away as Lewis Hamilton heads out on a set of the super-softs.
Summary
Verstappen fastest in second practice, before crashing
Palmer crashes, several cars sliding into escape road, Alonso suffers engine failure
Verstappen fastest in first practice, Perez crashes, Vettel spins
Postpublished at 14:36 British Summer Time 23 June 2017
Postpublished at 14:35 British Summer Time 23 June 2017
Daniil Kvyat tags the barrier at Turn 14 with his right rear, ripping a huge chunk of barrier paper off the barrier. Yellow flags are waved as a mashal legs it onto the track to clear it away.
Postpublished at 14:34 British Summer Time 23 June 2017
Allan McNish
BBC Radio 5 live Formula 1 analystThat means when he needs to security when he comes off the apex of the corner he just doesn't quite have it. He wants a bit more stability when he goes back on the throttle.
Image source, EPAPostpublished at 14:32 British Summer Time 23 June 2017
"The rear end is a bit weak," says Valtteri Bottas.
Postpublished at 14:30 British Summer Time 23 June 2017
Nothing special from Valtteri Bottas on the super-softs. He improves from 12th but a 1:44.309 is only good enough for fourth - four tenths down on Max Verstappen's time on the softs.
Postpublished at 14:29 British Summer Time 23 June 2017
My word. Sergio Perez was incredibly close to repeating his crash from this morning after kissing the barrier he smacked into in first practice.
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End of twitter postPostpublished at 14:28 British Summer Time 23 June 2017
Romain Grosjean might take a little longer than the rest to head out on the super-softs. His car is up on the stand at the moment as Haas mechanics twiddle with the brakes.
Postpublished at 14:27 British Summer Time 23 June 2017
Bottas and Kvyat are the only drivers out on track at the moment as everyone else prepares to join them for quali sims.
Postpublished at 14:25 British Summer Time 23 June 2017
The super-softs are coming out to play as we enter qualifying simulation runs. Valtteri Bottas and Daniil Kvyat have moved onto that compound - the fastest available in Baku.
Postpublished at 14:24 British Summer Time 23 June 2017
Esteban Ocon comes mighty close to replicating his team-mate Sergio Perez's antics from this morning by planting the Force India into the wall. He just manages to avoid kissing it, much to the relief of the team's engineers.
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End of twitter postPostpublished at 14:22 British Summer Time 23 June 2017
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End of twitter postPostpublished at 14:19 British Summer Time 23 June 2017
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End of twitter postPostpublished at 14:18 British Summer Time 23 June 2017
Force India appear to have the pace around this circuit as Esteban Ocon goes third quickest, seven tenths down on Max Verstappen. Sergio Perez then bumps his team-mate down to fourth as he goes two hundredths of a second quicker.
Postpublished at 14:17 British Summer Time 23 June 2017
Romain Grosjean heads down the escape road, you know what's coming...
"This is ridiculous," he grumbles.
Postpublished at 14:16 British Summer Time 23 June 2017
Max Verstappen lowers the benchmark by three seconds with a 1:43.988. That prevents Lewis Hamilton from taking top spot after the Briton did a 1:44.525.
Get involved #bbcf1published at 14:15 British Summer Time 23 June 2017
Rachel Bridge: This is what @McLarenF1, external fans love to see.. both in top 10 and Nando in SECOND!!
Image source, .Postpublished at 14:14 British Summer Time 23 June 2017
Quick, get a screengrab of this - McLaren are second on the timesheet as Fernando Alonso does a 1:46.024, two seconds down on Max Verstappen's benchmark time.
Postpublished at 14:11 British Summer Time 23 June 2017
The escape road into Turn One is welcoming a few drivers today. Sebastian Vettel and Carlos Sainz have both been down there already in this session.
Postpublished at 14:10 British Summer Time 23 June 2017
Who had 10 minutes into the session for Romain Grosjean complaining about brakes bingo?
"I don't know what to say," he says. "When I hit the brakes the bite is not there."
Perez about to head outpublished at 14:09 British Summer Time 23 June 2017
Jennie Gow
BBC Radio 5 live pit-lane reporterThe Force India guys have just balanced Sergio Perez's car - the last job they have to do before putting the tyres on. The team have done such a sterling job and this car is ready to go out at any moment.