West Ham have vowed to issue life bans to the fans who invaded the pitch during Saturday's 3-0 defeat by Burnley.
The Premier League match at the London Stadium was marred by four separate pitch invasions as well as protests against the club's board as hundreds of supporters congregated beneath the directors' box.
Joint-owners David Gold and David Sullivan were advised to leave their seats for their own safety, with the latter having been struck on his glasses by a coin.
A West Ham statement read: 'The club is working in close conjunction with the Metropolitan Police to identify those individuals who entered the pitch during the second half and.