Verstappen (S): 1m35.198s
Alonso (M): 1m35.237s
Perez (M): 1m35.453s
Ocon (M): 1m35.042s
Russell (M): 1m35.542s
We'll be back tomorrow afternoon for final practice and then qualifying.
Keep across Crash.net for all of the latest paddock news and reaction from Jeddah.
Verstappen quickest ahead of Alonso, Perez, Ocon and Russell.
Verstappen (S): 1m35.198s
Alonso (M): 1m35.237s
Perez (M): 1m35.453s
Ocon (M): 1m35.042s
Russell (M): 1m35.542s
Verstappen (S): 1m35.049s
Alonso (M): 1m35.376s
Perez (M): 1m35.285s
Ocon (M) 1m35.462s
Verstappen, Alonso, Perez, Ocon, Russell, Gasly, Stroll, Hulkenberg, Leclerc and Sainz.
"We need to make some changes."
Some impressive times from the Alpines - Ocon fourth; Gasly into sixth.
It's a 1m29.603s, 0.299s clear of Perez.
A number of improvements out there as Hulkenberg goes fourth ahead of Gasly in fifth.
Ocon slots into seventh.
A 1m29.902s for Perez, 0.083s ahead of Alonso's lap.
A mistake in the final sector for Alonso but he still improves to match Verstappen's earlier time.
A lot more to come from Aston Martin.
Alonso goes quickest in S1.
No cars out on track as we wait for the qualifying simulations.
Verstappen, Perez, Alonso, Gasly, Ocon, Albon, Leclerc, Stroll, Hamilton and Sainz.
Verstappen extends his advantage to Perez to 0.3s. Alonso is 0.5s off in third.
The Aston Martin hype train continues as Alonso takes top spot off Verstappen - 0.189s between the pair.
Verstappen is flying out there - 0.4s up on Sainz in the first sector of the lap.
Sainz sets the early pace on the mediums with a 1m31.080s, 0.3s ahead of Alonso.
Those two on the mediums.
Bottas has a lock-up into Turn 1.
19 of the 20 cars are out on track - just Perez in the pit lane.
Another 60 minutes of running to come