Police in Waltham Forest have released two CCTV images of suspected attackers.
Suspect 148178 and 148179 are wanted in connection with actual bodily harm (ABH) at BetFred in Lea Bridge Road, Leyton, on April 10 at 4pm.
The men are accused of assaulting a member of staff when he asked them to leave the premises. Police are yet to reveal further details about the attack.
The CCTV images have been released to the Guardian as part of a joint venture with the Metropolitan Police to identify potential perpetrators of unsolved crimes in the borough.
Anyone with information should contact Waltham Forest police on 101 or call Crimestoppers anonymously on 0800 555 111.