Andrew Benson
BBC F1 correspondent in Austin

At the moment, Antonelli looks in complete control of this race. All the frontrunners could be on two stops and Antonelli on a one stop. That would be a statement of intent.

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Lando Norris and team-mate Oscar Piastri have been placed on the hard compound by McLaren, and the world champion comes out in ninth place, ahead of the Australian, who needs to get past Esteban Ocon.

Andrew Benson
BBC F1 correspondent in Austin

Problem is, Max Verstappen has to do a two stop now which is not what we were expecting at all. It was thought to be a one stop race. That's really put the cat amongst the pigeons. Does this mean everyone else has to do a two stop now?

With these flurry of pit stops. Kimi Antonelli has stayed out. The championship leader has an 11-second lead over Red Bull's Isack Hadjar, as Max Verstappen continues his charge back up the order.

World champion Lando Norris - get yourself into the pits.

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Can Lewis Hamilton get in and out ahead of Liam Lawson? Not quite. The seven-time world champion is behind the Racing Bulls driver but he's soon able to clear him on his fresh medium tyres.

Oscar Piastri is next to come, just as Max Verstappen gets through on the McLaren and is up to fifth.

Damon Hill
1996 world champion on BBC Radio 5 Live in Austin

I think I saw bits of debris come off Max Verstappen's tyres, maybe there is something wrong with Max's car, he's struggling a little bit.

Max Verstappen heads in to the pits early and takes on more soft tyres for this next stint. The Dutchman comes out and is also already up on Racing Bulls' Liam Lawson and is now P8.

Ferrari react also and tell Lewis Hamilton to come in for a compound change.

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Damon Hill
1996 world champion on BBC Radio 5 Live in Austin

I've been watching the gap between Kimi Antonelli and Max Verstappen. Antonelli is comfortable where he is and doing slightly faster lap times than Verstappen. I think we're in tyre management mode now

Gabriel Bortoleto has avoided picking up a time penalty for leaving the track and gaining an advantage, so the Audi driver can carry on in P16.

Red Bull are ready to call in Max Verstappen fro. second place.

Fernando Alonso might be limping slightly but that doesn't mean he can't make waves up at Turn One. he gets Alex Albon early in the lap to reclaim P15 from the Williams man. Albon's team-mate Carlos Sainz is down in 18th place, Lance Stroll has made his way to P20 after his pit-lane start.

Damon Hill
1996 world champion on BBC Radio 5 Live in Austin

George Russell can't seem to stay away from trouble at the moment!

Kimi Antonelli is fairly comfortable out in front with a 2.7-second gap over the Red Bull of Max Verstappen. His team-mate George Russell now has a five-second time penalty to serve from sixth place, but Lewis Hamilton is still in the mix in fourth spot.

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Alex Albon and Fernando Alonso have already had a few scuffles in this race, and now the pair are battling it out for 15th place. The pair are switching positions but Albon makes the move stick at Turn One to stay ahead of the two-time world champion.

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Team engineer: "How much pace do you have in hand?"

Norris: "I mean... Uh yep I'm being held up now."

Damon Hill
1996 world champion on BBC Radio 5 Sports Extra in Austin

Charles Leclerc's overtake on Max Verstappen through turns six, seven and eight has got be one of the bravest moves we've seen all seeson, it was incredibly committed and caught Max out really well. Great racing in those first few laps but it's more strung out now, we're waiting to see the pace as the tyres start to degrade.

George Russell is in sixth spot at the moment, which is enough for the title to carry on to Mexico next week. But now the Mercedes driver has been hit with a five-second time penalty. He'll be staying put for a few seconds when he comes in to pit.

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It doesn't take McLaren long to pull the trigger and switch Lando Norris and Oscar Piastri around. The world champion moves up to seventh, and the Australian drops back to eighth.

George Russell is pleading his case to his engineer for that incident on the opening lap. He's under investigation for allegedly leaving the track and gaining an advantage, and it looks like the steards have made a decision.

Damon Hill
1996 world champion on BBC Radio 5 Sports Extra in Austin

We saw Carlos Sainz get squeezed right against the wall on the start-finish straight. Quite a lot of contact at the start of the race, no wonder they had the virtual safety car out to pick up all the debris.

Here comes the drone shot, which is following the two McLarens of Oscar Piastri and Lando Norris. World champion Norris is asked if he has the pace to challenge, and he does, he says. So the team are looking to swap their drivers around at some point.

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