Manchester City striker Sergio Aguero was involved in an altercation with a supporter after Wigan's shock FA Cup fifth-round victory over his side.
City players were escorted off the field as Wigan fans ran onto the pitch at full-time to celebrate the 1-0 win.Television footage appeared to show Aguero pushing a supporter away after being approached on the pitch.
Fans at the DW Stadium were seen ripping out advertising hoardings and throwing them towards police.