Postpublished at Lap 33/71
All the Ferrari mechanics are sat in their chairs in the garage, so a stop doesn't look imminent.
Summary
Bottas wins, Vettel 2nd, Ricciardo 3rd, Hamilton 4th
Vettel accuses Bottas of jump start - but Bottas is cleared by stewards
Verstappen and Alonso out after crash, Magnussen, Sainz also out
British GP live on radio 5 live and sport website from Friday
Postpublished at Lap 33/71
Postpublished at Lap 32/71
The first stop for one of the front runners... and it's Lewis Hamilton. He ditches the super-softs and is onto the ultra-softs. He comes back out where he was - fifth.
Will Ferrari react and bring Kimi Raikkonen in now that Hamilton is on fresher and faster tyres?
Postpublished at Lap 30/71
Jennie Gow
BBC Radio 5 live pit-lane reporter
Image source, Rex FeaturesKevin Magnussen had a problem yesterday too with the suspension failing in qualifying so this is just compounding his issues.
Postpublished at Lap 30/71
Kevin Magnussen's retirement helps Jolyon Palmer as he is elevated to 11th. Tantalisingly close to the points now.
Postpublished at Lap 29/71
Problems for Kevin Magnussen. Looks like a hydraulic issue and he's told to slow down and box.
"I cannot believe this," he says, before adding a naughty word.
Frustrating times. Haas had looked good here.
Postpublished at Lap 28/71
Jennie Gow
BBC Radio 5 live pit-lane reporterI was just looking at the pit wall. James Allison is the Mercedes technical director and he's prancing around not looking comfortable at all.
But there's no movement yet in the pit box.
Deal with itpublished at 13:36 British Summer Time 9 July 2017
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Postpublished at Lap 27/71
The ultra-softs are approaching the end of their optimum life, so we should be seeing some stops in the next couple of laps.
Another fastest lap for Valtteri Bottas. He's 7.7s ahead of Sebastian Vettel.
Postpublished at Lap 26/71
Allan McNish
BBC Radio 5 live Formula 1 analyst
Image source, Getty ImagesValtteri Bottas said he wanted to win this race and he's got it in his hands at the moment. He's disappearing out of sight.
But he's telling his team he's got a little bit of blistering too.
On the first three main corners the inside wheel spins a little bit and generates the temperature which is causing the blistering.
No further action against Bottaspublished at Lap 26/71
No further action following the investigation of Valtteri Bottas' start. He didn't jump it and can now crack on with controlling this race.
Postpublished at Lap 25/71
Lewis Hamilton has lost a couple of tenths to Kimi Raikkonen, he's 0.9s behind the Finn now.
This will be music to Sebastian Vettel's ears as his team-mate keeps his title rival in check.
Postpublished at Lap 24/71
No changes in positions on the circuit as Valtteri Bottas continues to pull away out in front.
Clouds continue to look ominous above the circuit, but no rain yet.
Image source, Rex FeaturesTeam radio: Hamiltonpublished at Lap 23/71
Lewis Hamilton is told by his Mercedes race engineer "front left brake is climbing so see what you can do to keep it cool."
Postpublished at Lap 21/71
Image source, AFPContrasting fortunes for the two Finns. Blistering tyres for Kimi Raikkonen, blistering pace for Valtteri Bottas,
A 1:08.989 for Bottas is the new fastest lap of the race and he's now seven seconds clear of Sebastian Vettel.
Postpublished at Lap 20/71
It's a bit more scary for Kimi Raikkonen.
Lewis Hamilton is half a second behind the Finn now and it's clear from the onboard camera that the Ferrari is starting to struggle for grip.
Team radio: Ricciardopublished at Lap 19/71
Image source, Getty ImagesDaniel Ricciardo is told by his Red Bull garage "Hamilton is maybe 1/10th quicker than us but it's not scary."
get involved Get Involvedpublished at 13:25 British Summer Time 9 July 2017
#bbcf1 or text 81111
Jon Reay: Did Bottas have a super quick reaction or did he ‘anticipate’ the lights? Either way, he didn’t move until after the lights went out.
Amy McTighe: Pretty sure Kimi actually just said he had a blister on his left thumb. Give the man a plaster.
Postpublished at Lap 18/71
Image source, AFPValtteri Bottas continues to pull away out in front. He's 5.9s ahead of Sebastian Vettel.
Lewis Hamilton is edging towards DRS territory as he prepares for a move on Kimi Raikkonen.
Postpublished at Lap 17/71
And another as Marcus Ericsson reports blistering on his front left. Both Ericsson and Kimi Raikkonen are on ultra-softs.
Do Ferrari bring Raikkonen in for a change of compound now?
Team radio: Raikkonenpublished at 13:23 British Summer Time 9 July 2017
The next driver to report a problem is Ferrari's Kimi Raikkonen.
He tells his race engineer "I have a blister on my left front tyre".