Vettel holds on to win, Bottas 2nd, Hamilton up to 3rd from 9th
Raikkonen runs over mechanic in pits - breaking his leg
Hamilton overtakes three cars in one corner
Both Red Bulls out early on
Ricciardo, Verstappen, Raikkonen out
Jolyon Palmer
Former Renault driver on BBC Radio 5 live sports extra
They are saying they don't know what [strategy] Vettel is doing, we don't know what Vettel is doing and probably the only people who do know is the Ferrari strategy engineers.
If Vettel is going to pit, it is going to be around now.
Twelve laps to go.
Lap 45/57
This is great excitement. Just what we needed after a Melbourne race where Max Verstappen said he would have turned off the coverage if he had been watching on TV.
Lap 45/57
Mercedes team radio: Alright, Lewis it is (the Mercedes strategy engineer) James. The main thing at the moment is that Vettel may not stop. Go to tag 2 and let me know what the times are going to be.
Hamilton: Like I said, I am driving to target that means I am tag 2.
Lap 44/57
Something flies off Romain Grosjean's car. He has just moved into 10th, he may not be staying there.
Lap 44/57
The McLarens of Fernando Alonso and Stoffel Vandoorne are eighth and ninth, Brendon Hartley makes up the top 10.
Image source, F1Lap 43/57
Hamilton: I don't understand what I've got to do.
Race engineer: Need to target low 34s. Let us know your tag mode so we can make a decision.
Hamilton: I am doing 34.3, is that enough?
Race engineer: Copy Lewis, we just need to know how hard you are pushing.
Image source, EPALap 43/57
That Kimi Raikkonen and Ferrari disaster does mean Pierre Gasly is up to fourth, with Kevin Magnussen fifth, Nico Hulkenberg sixth and Marcus Ericsson seventh. They would all take that, surely.
Image source, ReutersLap 42/57
Update on the Ferrari mechanic - he has been taken to hospital for treatment.
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Lap 42/57
Valtteri Bottas started third, is now second and is eyeing up another win.
Image source, Getty ImagesLap 41/57
If Vettel does come into the pits, he may well not only lose top spot, but also second as Lewis Hamilton is only 10 seconds behind Bottas and 18 behind Vettel.
Image source, EPAFerrari team radio
Vettel: Plan D?
Race engineer: Plan D. Kimi has retired for an issue.
Lap 40/57
Seventeen laps to go. Sebastian Vettel, who originally was expected to come into the pits again, is seven seconds ahead of Valtteri Bottas, who won't need to come in again.
Lap 40/57
Just seeing that Raikkonen pit stop again. The mechanic on the left rear tyre is clattered into as Raikkonen drives away. The traffic light was green, but the car was not ready. A huge error from Ferrari.
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Lap 38/57
Jack Nicholls
Radio 5 live Formula 1 commentator
If Ferrari pit again, they have lost the race.
QuixoticGeek: Never underestimate Ferrari's ability to throw away what looks to be a forgone conclusion.
Lap 37/57
Jolyon Palmer
Former Renault driver on BBC Radio 5 live sports extra
No, no, no! What happened there!? Raikkonen is distraught, he just chucked the steering wheel back into the cockpit. We still have to think about the mechanic who is down on the ground. A nasty incident.
Let's hope the Ferrari mechanic is OK. He is still getting medical treatment in the pits.
Kimi Raikkonen comes in. And his race is over. One of the tyres was not put on correctly, Raikkonen in a rush runs over one of his mechanics.
The tyre is not on correctly and Raikkonen comes to a halt just metres down the pit lane. Unbelievable.
Lap 35/57
Jolyon Palmer
Former Renault driver on BBC Radio 5 live sports extra
Bottas is ticking along nicely on the mediums as Vettel starts to negotiate some traffic. That is not going to help.