The Gunners breezed past Portuguese champions Benfica as they got off to a phenomenal start in the Emirates Cup with a 5-2 win.
However, manager Arsene Wenger was the aim of verbal abuse hurled at him by a pitch invader, and the French coach responded as the disgruntled fan was escorted off the pitch by stewards.
Ugly scenes at the Emirates which prove Wenger continues to be a divisive figure among supporters of the north London club.