Mikel Arteta has insisted that Arsenal failed to 'make a difference inside the box' during their 2-0 defeat to West Ham on Thursday.
The Gunners stunned by their London rivals after goals from Thomas Soucek and Konstantinos Mavropanos wrapped up all three points for the visitors on the night.
The result saw Arsenal fail to overtake Liverpool and assert themselves at the top of the Premier League table, as the Hammers moved up to sixth.
Speaking after the game, the Gunners boss suggested that his attackers failed to make a difference in the attacking third.