Alexis Sanchez found the net twice as Arsenal won at Crystal Palace to move within a point of fourth-placed Liverpool.
Shkodran Mustafi opened the scoring when he poked in after Palace keeper Julian Speroni parried Alexandre Lacazette’s shot.
The hosts caught out a static Arsenal defence early in the second half to equalise – Andros Townsend turning in Wilfried Zaha’s cross from close range.
Sanchez restored the Gunners’ lead when he squeezed a clinical strike in at Speroni’s near post before the Chile international added a third four minutes later, bringing Jack Wilshere’s superb ball under control and flicking into the net.
Palace set up a nervy finish when James Tomkins headed home from a corner inside the final minute, but Arsenal held on to ensure Arsene Wenger marked equalling Sir Alex Ferguson’s record of managing in 810 Premier League games with a victory.
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