McLaren's Lando Norris was fastest by nearly half a second in final practice for the Singapore Grand Prix on Saturday, after the daylight session was briefly halted at the start by a large lizard on the track.

Oscar Piastri’s win last week at the Azerbaijan Grand Prix put McLaren top in the teams’ standings — the key to F1’s lavish prize money — but teammate Norris only took a small bite out of Verstappen’s lead.

The FIA intervenes following intense scrutiny of McLaren's controversial rear wing design, which rival teams claim breaches aerodynamic regulations.