Manchester City beaten stars returned to training on Tuesday morning as the Football Association launched their investigation into the events which overshadowed their FA Cup clash on Monday.
The Premier League leaders were unceremoniously dumped out of the competition at the fifth round stage by League One Wigan in one of the greatest shocks in recent memory, but it was the scenes after which caused most anguish.
Sergio Aguero was involved in an altercation with home fans as they invaded the pitch to celebrate, with one supporter appearing to punch the Argentine.