Verstappen comes into the pit lane. McLaren will have to respond with Norris now.
It's a slow Ferrari stop. 4.9s for Hamilton. Far from ideal in his pursuit of Russell, who's undercut him.
He's now upped his lead over Norris to 5.0s.
Russell is flying on his new soft tyres. He's running just 7.4s behind Leclerc now. The gap was over 10s when they came into the pit lane a few laps to go.
Piastri, Norris, Verstappen, Hamilton, Leclerc, Antonelli, Russell, Hadjar, Hulkenberg and Lawson.
The top four are all expected to pit again.
Mercedes are hoping to undercut Hamilton with Russell here.
Leclerc pits again for medium tyres. He's the only driver in the lead group to have another fresh set of mediums available.
2.3s between Piastri and Norris in the fight for the win.
The gap between Piastri and Norris are now 2.8s. Verstappen is 4.9s behind the second McLaren.
2.8s between Piastri and Norris at the front of the field now.
There's 3.3s between the two McLarens now at the front. Verstappen is running 5.5s behind Norris.
It's on at the front.
He breezes past Leclerc into Turn 1 as he moves into third. Will the McLarens be worried about him now?
Verstappen team radio: "It's again like I have no clutch whilst upshifting."
GP: "1973?"
Verstappen: "Yeah, maybe '74 now."
Piastri is running 5.2s ahead of Norris. Leclerc, Verstappen, Verstappen, Hamilton, Russell, Antonelli, Hadjar, Hulkenberg and Bearman complete the top 10.
He's just 4.4s behind Norris in the fight for second.
Verstappen is flying on his new medium tyres - he's probably on a three-stopper.
Piastri is now back in the lead, 4.8s ahead of Norris. Leclerc is still up there, 4.9s behind the second McLaren driver.
Verstappen comes in for his second pit stop of the afternoon. A set of mediums for the Red Bull driver.
3.3s between Verstappen and Piastri at the front of the pack.
Verstappen is 4.2s ahead of Piastri. Norris is 4.6s behind his teammate.
He's running 9.0s behind teammate Leclerc now. What's going on?
Antonelli gets past Gasly into Turn 1 for seventh. Similarly, Hadjar overtakes Hulkenberg for P9.
Verstappen, Piastri, Norris, Leclerc, Hamilton, Russell, Gasly, Antonelli, Hulkenberg and Hadjar.
A slick pit stop from McLaren to get Piastri onto a fresh set of tyres. He rejoins in second behind Verstappen.
Norris come in to the pit lane at the end of Lap 21. McLaren fit a set of mediums.
Piastri has responded well here and upped his lead to 4.9s.