Verstappen goes 0.3s clear at the top with a 1m35.825s - he ends FP3 fastest!
Leclerc takes top spot with a 1m36.145s, while Perez goes fourth ahead of Hamilton.
Hamilton moves up to fourth, just over a tenth shy.
Into the final five minutes as Sainz goes third.
Scrappy laps from Verstappen and Leclerc but they go 1-2.
Top 10 with 10 minutes to go: Perez, Hamilton, Verstappen, Leclerc, Sainz, Russell, Bottas, Alonso, Vettel and Ocon.
Bottas slots into seventh for Alfa Romeo, 0.7s off Perez.
It's a bit slippy out there for George Russell!
— Formula 1 (@F1) October 22, 2022
The Mercedes driver currently sits in P10 #USGP#F1pic.twitter.com/H0TKCnZ6Hf
Russell moves up to fourth in the Mercedes, 0.4s off Perez.
Daniel Ricciardo returns to the track!
— Formula 1 (@F1) October 22, 2022
His brake problems look to be solved #USGP#F1pic.twitter.com/VJw5SamEFj
Top 10 with 30 minutes to go: Perez, Hamilton, Verstappen, Leclerc, Sainz, Alonso, Vettel, Ocon, Stroll and Russell.
Perez nicks ahead of Hamilton, a tenth between the pair.
Hamilton goes quickest with a 1m36.688s, less than a tenth ahead of Verstappen.
RIC: "Something is wrong with the brake pedal"
— Formula 1 (@F1) October 22, 2022
The McLaren driver makes it back to the pits for a further investigation #USGP#F1pic.twitter.com/PnRNwSHr93
Leclerc moves to within a tenth of Verstappen at the time of the timesheets.
The order with 20 minutes gone: Verstappen, Sainz, Leclerc, Perez, Alonso, Ocon, Stroll, Russell, Vettel and Hamilton.
Sainz moves up to second for Ferrari, a tenth off Verstappen. He's on the mediums.
More grid penalties! 10 places for Leclerc; five for Alonso.
Five for Perez; five for Zhou - they were confirmed yesterday.
Only nine times on the board so far: Verstappen, Leclerc, Perez, Sainz, Ocon, Russell, Bottas, Zhou and Magnussen.
Verstappen goes three-tenths clear of Leclerc at the top of the timesheets as both drivers find more time.
Bottas improves but stays seventh, 1.0s off Leclerc.
Untimely for Schumacher, who just went past the pit lane before the issue.
A problem for Schumacher? He's going very slowly down the start-finish straight.