Hull police have released a CCTV image of a man they wish to speak to in connection with an assault that happened early on New Years Day this year.
The incident happened at the Relax Bar on Spring Bank in Hull and left a 32-year-old male victim with serious head injuries.
Police were contacted by staff at Hull Royal Infirmary after the injured man arrived at hospital.
The victim stayed in hospital for a week but took a month of work to make a full recovery.
The suspect is wearing a green coloured Puffa style jacket and officers are urging anyone who recognises him to contact Humberside Police on 101 referring to log 522 of 01 January 2013 or ring Crimestoppers on 0800 555 111.