Arsenal squandered a 2-0 lead at the Emirates as goals inside the opening 10 minutes from Sokratis Papastathopoulos and David Luiz were cancelled out by a penalty from Luka Milivojević and a second-half strike from Jordan Ayew.

Amid a febrile atmosphere at the Emirates, fans vented their anger at club captain Xhaka as he was substituted by manager Unai Emery just after the hour mark.

The Swiss international midfielder was making his way off the pitch to a chorus of jeers before he stoked tensions by raising his arms and then cupping his hand to his ear in defiance, also appearing to shout "f*ck off." He then took off his shirt and stormed straight down the tunnel.