McLaren's Lando Norris tops the time sheets from Mercedes' George Russell on day one of pre-season testing in Bahrain.

McLaren's Lando Norris set the fastest time on the opening day of Formula 1's preseason test in Bahrain, which was extended by an hour due to a power cut at the circuit in the afternoon session.

Lando Norris headlined the opening day of Formula 1 pre-season testing in Bahrain, following an hour-long delay for a circuit-wide power cut. The session’s runtime was extended by an hour following the hiatus created by the lack of power two hours into the afternoon session,