Liverpool have moved to the top of the Premier League.
They came from behind to beat Brighton 2-1 thanks to goals from Cody Gakpo and Mohamed Salah.
Manchester City have dropped to second after they suffered their first defeat of the campaign - they were beaten 2-1 at Bournemouth.
Arsenal also lost. They went down 1-nil at Newcastle.
Nottingham Forest are third in the table. Chris Wood scored his eighth goal of the season as they beat West Ham 3-nil.
Southampton got their first victory since promotion to the top flight. Adam Armstrong's strike secured them a 1-nil success at home to Everton.
Jordan Ayew's 94th minute equaliser earned Leicester a 1-all draw at winless Ipswich.