A slow opening lap from Hamilton in the Mercedes, just over eight seconds off Leclerc.
Top 10: Leclerc, Russell, Drugovich, Perez, Gasly, Albon, Hulkenberg, Piastri, Magnussen and Bottas.
Magnussen's first time puts him ninth for Haas on the C3s, 4.498s down on Leclerc's C4 benchmark from this morning.
Norris' first time of the session is a 1m37.682s, putting him 12th in the order.
UPDATE: The team are working hard to diagnose and resolve a mechanical issue which brought the C43 to a stop in the morning session.
— Alfa Romeo F1 Team Stake (@alfaromeof1) February 25, 2023
Big push to get @ValtteriBottas back out this afternoon for the final session of #F1Testing. #F1
Ocon is the only driver out at the moment.
The final four hours of running in Bahrain has started.
The final session of winter testing is about to get underway in Bahrain.
The penultimate session of testing is over
Only Russell and Piastri are out on track currently for the end of the session.
As expected...
VSC test, red flag test then some start practice to come.
Albon improves marginally but stays in sixth overall, 1.7s down.
No improvement from de Vries - who looks like he's on a long run.
Albon and de Vries are currently on personal bests out there.
Top 10: Leclerc, Russell, Drugovich, Perez, Gasly, Albon, Hulkenberg, Piastri, Bottas and de Vries.
The Williams driver moves up to sixth overall, 1.988s down on Leclerc.
He stays 10th overall on the C3s, 7.783s down on Leclerc.
After some low fuel running earlier on, it looks like Russell is on a long run.
His last run was a 1m38.091s.
Keeping watch. pic.twitter.com/fJtbE3ieyS
— Mercedes-AMG PETRONAS F1 Team (@MercedesAMGF1) February 25, 2023
Leclerc, Russell, Drugovich, Perez, Gasly, Hulkenberg, Albon, Piastri, Bottas and de Vries.
56 laps for George and the W14 this morning. pic.twitter.com/NSknpfGYMG
— Mercedes-AMG PETRONAS F1 Team (@MercedesAMGF1) February 25, 2023
The morning session is back underway after a brief red flag following Bottas' stoppage.