The world championship leader crossed the line in second but was called before the stewards over an issue with the rear skid on his McLaren.

Lando Norris’ world championship bid hangs in the balance with the British driver facing disqualification from the Las Vegas Grand Prix.

Norris finished runner-up to Max Verstappen in Sin City, but he has been called before the stewards for breaching the regulations.

Norris’ McLaren team-mate Oscar Piastri is also under threat of seeing his fourth-placed finish chalked off, with the rearmost skid on both McLarens less than the required thickness.

Norris was expecting to head to the penultimate round in Qatar next weekend with a 42-point lead over Red Bull’s Verstappen with just 58 points left to play for.

But a disqualification would see Verstapp

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