Alexis Sanchez on fire as Arsenal move up to second after 5-1 victory at West Ham

Alexis Sanchez finds the bottom corner from the edge of the area as Arsenal ran riot in the closing stages

Alexis Sanchez fired a 14-minute hat-trick as Arsenal rose to second in the Premier League with an irrepressible 5-1 victory at West Ham on Saturday.

Chile forward Sanchez was the star of the show in east London as Arsenal moved above Liverpool and Manchester City with a triumph that was every bit as emphatic as the scoreline suggests.