West Ham United were thrashed 5-1 at Arsenal in the Premier League tonight.

The Hammers took the lead early on through Jack Collison but it was quickly cancelled out by Lukas Podolski.

The Gunners went in front at the start of the second half through Olivier Giroud and Santi Cazorla quickly flicked in the third.

It was 4-1 within a minute when Theo Walcott found the net and the hosts completed a convincing win when Giroud added his second after 57 minutes.