West Ham 1-5 Arsenal: Alexis Sanchez nets 14-minute hat-trick as Arsene Wenger's side climb to second with emphatic victory over limp Hammers.

Arsenal leapfrogged Liverpool to move second in the Premier League and keep up the pressure on leaders Chelsea with a hard-fought win over West Ham.
The German star provided a simple finish from six yards out after he was unselfishly played in by team-mate Alexis Sanchez.
The Chilean then doubled the Gunners' lead in the 72nd minute with a fine individual goal before adding the gloss to the scoreline with a strike into the bottom corner from the edge of the area.
Andy Carroll headed in a late consolation after Dimitri Payet's free-kick cannoned off the cross bar, moments before Alex Oxlade-Chamberlain resotred the away side's three-goal advantage with a vicious strike from outside the box.
Sanchez completed his hat-trick with a runaway counter attack in the 86th minute.