Lewis Hamilton was fastest by over three seconds on the second morning of in-season testing in Bahrain.

Mercedes is testing tyres for Pirelli on Wednesday and Hamilton set a best time of 1:34.136 to comfortably head the field. Jean-Eric Vergne was second fastest for Toro Rosso and managed 36 laps, but was 3.186s slower than Hamilton's time.

It was a bad morning for Ferrari as Fernando Alonso completed just 12 laps - setting the third fastest time - before bringing an end to its test. Ferrari is running Kimi Raikkonen's chassis from the race weekend and found that it may have been damaged after Raikkonen hit a kerb during FP1 last week.

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There were also more problems for Red Bull and Lotus as neither Daniel Ricciardo nor Romain Grosjean set a time before lunch, completing just nine and seven laps respectively.

Kevin Magnussen set the fourth fastest time for McLaren but brought the morning session to a premature end as he stopped in the gravel at Turn 13 with just over five minutes to run, leaving the team with half an hour to recover the car and investigate the cause.

Sergio Perez was fifth after a slow start for Force India, a second quicker than Felipe Nasr in the Williams. Nasr completed 45 laps as Williams also tests tyres for Pirelli alongside Mercedes.

Marussia enjoyed the most productive morning as Jules Bianchi completed 54 laps - albeit six seconds off the pace - leaving him just ahead of Giedo van der Garde and Marcus Ericsson.