Stroll's car has been cleared and the session is back underway at Monza.
Problem for Stroll - he's lost power on the exit of Ascari.
Second practice for the Italian Grand Prix has started!
"There’s clearly something missing in their car design and philosophy. I see it when they go to medium-speed circuits like Zandvoort and Budapest – that’s its weakness, but I do predict it to be a better car here.
"History suggest that when they run the car in this configuration of downforce, like at Spa and Montreal, it should be better here."
After missing the opening session - F2 champion Felipe Drugovich was in the car as part of the team's requirement to field a rookie driver - Lance Stroll will be back in action for Aston Martin.
Verstappen on top ahead of Sainz and Perez.
Leclerc, Russell, Alonso, Norris, Hamilton, Tsunoda and Albon completed the top 10
Verstappen is currently running four seconds off the pace on the hards.
One reason for the strange FP1 session - in terms of tyres - is the return of the different tyre format.
In Q1, teams will be forced to use the hards; Q2 mediums; Q3 softs.
The top three are still running on their hard tyres.
Verstappen, Sainz, Perez, Leclerc, Russell, Alonso, Norris, Hamilton Tsunoda and Albon.
A strong lap from the Spaniard to go second on the hards, within a tenth of Verstappen.
Verstappen, Perez, Leclerc, Sainz, Alonso, Norris, Hamilton, Piastri, Russell and Albon.
Williams take to the track for the first time this afternoon.
They are expected to go strong here with their low downforce package.
Verstappen, Leclerc, Perez, Sainz, Hamilton, Piastri, Russell, Alonso, Norris and Gasly.
He's 0.3s off Verstappen at the top of the timesheets.
A 1m23.027s now for Verstappen, a tenth clear of Perez.
Piastri, Verstappen, Perez, Hamilton, Leclerc, Sainz, Russell, Hulkenberg, Ocon and Lawson.
Both drivers have been affected by anti-stall when trying to leave the pit lane.
Bad start for Zhou and Bottas.
It's taken no time for Verstappen to set the pace ahead of his teammate.
Both drivers on the hards.
A 1m24.241s for Piastri currently on the softs, a tenth ahead of Hamilton on the hards.
First practice for the Italian Grand Prix is now underway!