Arsenal opened up an eight-point lead at the top of the Premier League table with a dominant victory against Spurs in the north London derby.
Mikel Arteta's side took full advantage of Manchester City's defeat at Manchester United 24 hours earlier, cruising past their local rivals to claim a first league win at Tottenham since 2014.
It was superb display from the visitors, who went in front when Spurs keeper Hugo Lloris palmed Bukayo Saka's cross into his own net after just 14 minutes.
And then they took full control when captain Martin Odegaard drilled in his eighth goal of the season to double the lead before the interval.
Tottenham were woeful, with Harry Kane left frustrated in his attempt to become his club's all-time record goalscorer. Kane went into the game one goal behind Jimmy Greaves' longstanding record, but was kept largely quiet throughout - with Aaron Ramsdale denying him twice when he did get a sight of goal.
Frustrations got the better of the home side after the final whistle, with Richarlison hitting out at Ramsdale before a supporter jumped onto the advertising hoardings and aimed a kick at the Arsenal keeper.
It was an ugly incident that will no doubt lead to an investigation by the Football Association and the police, but Arsenal will not worry about that as they continue to set the pace in the title chase.