Keane was on punditry duty with Sky Sports (Picture: Getty)

Metropolitan Police are investigating an alleged assault on Roy Keane which took place during the Premier League clash between Arsenal and Manchester United.

The incident took place during the latter stages of Sunday’s clash just moments after Alejandro Garnacho appeared to give United a late lead only to see his effort ruled out for offside.

Keane and Micah Richards, on punditry duty for Sky Sports, were travelling from the studio down to pitch-side for post-match analysis when an altercation occurred.

A member of the public is thought to have aimed a headbutt at Keane, catching him on the chin and chest.

The Athletic report the former Manchester United captain ‘was startled but did not react aggressively.’ Footage circulating online shows Richards confronting an unidentified man with Keane by his side.

A statement from the Metropolitan Police said no arrests have been made with enquires ongoing.

A statement said: ‘Police are investigating following an assault that is alleged to have occurred at the Emirates Stadium during an Arsenal v Manchester United match on Sunday, 3 September.’

Sky Sports have also released a statement on the incident. ‘We understand the police are investigating an alleged assault by a member of the public immediately preceding the footage circulating on social media. In the footage seen, Micah Richards was acting to defuse a situation.’

Arsenal meanwhile are cooperating with authorities with the investigation underway.

A club spokesperson said: ‘We are aware of an incident that took place during our match against Manchester United on Sunday.

‘The Metropolitan Police is conducting an investigation into the matter and we are fully cooperating with their enquiries.’

More to follow

Micah Richards attempted to ‘defuse’ the situation which unfolded late in Sunday’s game.