Ocon goes seventh; Gasly into 11th.
Tsunoda, Albon, de Vries, Norris and Sargeant.
No improvements currently - has the track got slower?
Norris, Tsunoda, de Vries, gasly and Sargeant are in the pit lane.
The Spaniard moves up to fourth in the Aston Martin, 0.6s down.
A rare mistake from Alonso, who spun at Turn 2. No damage done to his Aston Martin though.
Into the final corner, Norris brushes the wall, damaging the front of his car.
A repair job for McLaren now.
Verstappen, Perez, Hulkenberg, Magnussen, Russell, Leclerc, Zhou, Piastri, Hamilton and Albon.
Verstappen wastes no time to restore his advantage over Perez - 0.5s between the two Red Bulls.
Perez goes 0.6s clear of Hulkenberg at the top of the timesheets.
He's behind the Haas of Hulkenberg though? What is going on at Ferrari.
Impressive pace from Williams as Sargeant goes quickest with a 1m29.721s, a tenth ahead of Hulkenberg.
After missing FP3, de Vries has a spin into Turn 1.
Albon and Sargeant will be the first two drivers to set times in Q1.
Red Bulls, Astons, Mercs and Alpines remain in the pit lane.
One perfect, physics-bending chain of 27 corners is all that separates us and our second polesitter of 2023...#SaudiArabianGP#F1pic.twitter.com/wkeRbMIjZ1
— Formula 1 (@F1) March 18, 2023
Here we go then!
18 minutes to decide 16th-20th on the grid for tomorrow's race.
Verstappen, Perez, Leclerc, Alonso, Sainz
Can anyone stop Verstappen? Qualifying is at 5pm UK time.
Leclerc goes sixth in the Ferrari.