Raikkonen is caught out during the twisty finish to the lap to end up in third while Alonso struggles on the harder tyres during his last-gasp effort to end up in fourth.

BBC: SPORT | Motorsport | Formula One | Turkish GP qualifying as it happened

Button started fourth but was up to third by the start of the second lap, crucially fighting off a challenge from Lewis Hamilton's improving McLaren.

BBC: Brilliant Button wins in Bahrain

Two weeks after the team's double third-lap retirement in Malaysia, Button could not get to grips with the circuit, though he did finish one place ahead of team-mate Takuma Sato.

BBC: QUALIFYING POSITIONS

But Button responded with a new fastest lap of the race to take his third win of the season and a first in Japan, which he has described as his second home.

BBC: By Sarah Holt