Lewis Hamilton bounced back from his “disaster of a weekend” in Brazil to top practice in Las Vegas, heading a British one-two-three in both sessions, as Mercedes team principal Toto Wolff said he was proud of the way the pair had managed to remain “professional” this season.

Seven-time Formula 1 world champion Lewis Hamilton said on Wednesday he had felt like walking away from Mercedes after a tough race in Brazil this month.

Seven-time Formula 1 champion Lewis Hamilton paced both of Thursday night's practices at the Las Vegas Grand Prix just two weeks after one of the worst races of his career. The Mercedes driver was despondent over his performance in Brazil when he intimated after the race he wasn't even sure he wanted to finish the final three races of the season.