Arsenal moved four points clear at the top of the Premier League as Mikel Arteta's side held on to secure a 3-2 North London derby win over Tottenham.
The title chasers took the lead through a Pierre-Emile Hojbjerg own goal, with Spurs then seeing an Micky van der Ven equaliser ruled out for a narrow offside.
Buyako Saka doubled Arsenal's lead following a counter-attack before Kai Havertz headed in from a corner to secure a 3-0 half-time advantage.
Cristian Romero pulled a goal back following a David Raya error, with a late consolation goal setting up a nervy finish at the Tottenham Hotspur Stadium.