Postpublished at Lap 8/52
"I'm getting some cut outs in power," says Lewis Hamilton. Not ideal as he tries to hunt down the Ferraris.
He's two seconds behind Kimi Raikkonen and 7.3 seconds behind race leader Valtteri Bottas.
Bottas wins Vettel after overtaking him at start
Vettel 2nd, Raikkonen 3rd, Hamilton 4th
Alonso breaks down on parade lap
Alonso, Palmer, Grosjean, Ricciardo out
Gary Rose
"I'm getting some cut outs in power," says Lewis Hamilton. Not ideal as he tries to hunt down the Ferraris.
He's two seconds behind Kimi Raikkonen and 7.3 seconds behind race leader Valtteri Bottas.
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Update: His race IS over.
"It's terminal," Daniel Ricciardo is told.
Race over for the Australian.
Four cars down with just seven laps gone.
Daniel Ricciardo is slowing down and dropping down the field. He's told to box.
Not a great start to the season at all for the Australian, who retired with a mechanical issue before the race started in his home grand prix at the start of the season.
Allan McNish
BBC Radio 5 live Formula 1 analyst
Vettel and Raikkonen did a really poor restart. Bottas has a 1.9 sec lead. Vettel was caught sleeping. He and Raikkonen were really not at the races
Valtteri Bottas bangs out the fastest lap with a 1:39.000 and he is 1.9 seconds clear of Sebastian Vettel.
Meanwhile, problems for Red Bull already!
"My brakes are on fire," says Daniel Ricciardo, who is seventh.
Safety car comes in and Valtteri Bottas works on getting away from those charging Ferraris.
This is going to be a real test of the Finn's mettle.
Allan McNish
BBC Radio 5 live Formula 1 analyst
Grosjean is claiming it's completely Palmer's fault. From the view I got, I would suggest it was the other way around.
Safety car coming in at the end of this lap.
Just seeing replays of the start and Valtteri Bottas got off superbly.
Lewis Hamilton, meanwhile, also got off well, although not quite as well as Bottas on the dirty side of the track and he had a bit of a nervy moment as he ran wheel-to-wheel with Kimi Raikkonen down to the first corner.
It was the Williams of Lance Stroll that spun in the middle of traffic.
"I got pushed onto the kerb and spun," says Stroll.
Right, so let's catch up with the top of the order. Valtteri Bottas was not the only big mover, with Max Verstappen climbing from seventh to fifth.
1) Bottas 2) Vettel 3) Raikkonen 4) Hamilton 5) Verstappen 6) Massa 7) Ricciardo 8) Perez 9) Ocon 10) Hulkenberg
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Jolyon Palmer and Romain Grosjean come to blows at the first corner.
"Palmer turned into me," says Grosjean.
Allan McNish
BBC Radio 5 live Formula 1 analyst
A big win for Bottas. He got a good launch off the line, slip-streamed Vettel and then got past him.
Safety car out already.
Romain Grosjean and Jolyon Palmer have crashed and there was also a spinning Williams.
All going on.
LIGHTS OUT!
What a start for Valtteri Bottas he has got ahead of both Ferraris!
The Finn leads the race.
Everyone is in their position on the grid, apart from Fernando Alonso obviously.
We're all set.
We've got another formation lap as a result of the McLaren breakdown. Away go the cars again.