The majority of drivers are out on medium tyres, apart from the Red Bulls, Arvid Lindblad, and Franco Colapinto, who are on soft tyres.
The first proper flying laps have been completed, and Max Verstappen finds himself at the top of the timesheets.
The green flags are out, and FP1 for the Bahrain Grand Prix in Malaysia begins.
Franco Colapinto is the first driver out on track for his first proper look at the Sepang International Circuit.
Five minutes until the green flag is waved at the Sepang International Circuit to start Free Practice 1.

Currently, it is dry ahead of the opening session of the weekend. However, there could be rain later in the day!
Last weekend in Azerbaijan, George Russell returned to winning ways, taking his third Grand Prix victory of the season, and his first Grand Prix win since the Austrian Grand Prix.
As a reminder, this is the Bahrain Grand Prix in Malaysia, as F1 returns to the Sepang International Circuit for the first time since 2017. The event has had a venue change due to the ongoing war in Iran.
Welcome to live coverage of Friday's F1 practices from Sepang, Malaysia, where FP1 for the Bahrain Grand Prix in Malaysia is due to start in under an hour (12:30 local time).
