Arsenal moved three points clear at the top of the Premier League as Leandro Trossard's goal from a corner clinched a hard-fought win over Fulham at Craven Cottage.
A tight game was broken open by another Arsenal set-piece when Trossard bundled home from close range at the back post after Gabriel had flicked on Bukayo Saka's second-half delivery.
The goal was Arsenal's 50th from a corner since the start of the 2022/23 season. No other Premier League side has scored more than 34 in that timeframe, underlining their dead-ball threat.
Fulham, a bogey side for Arsenal having taken four points from the last two meetings at Craven Cottage, provided stiff resistance but struggled to create clear openings at the other end, with Harry Wilson spurning their best chances.
Arsenal's best opportuni