[P]olice are investigating a serious assault in a Carlisle nightclub.
The assault occurred on Saturday 23rd December at 3.30am in the corridor area of Queens Bar on Botchergate.
The victim, a man in his late-thirties, was punched by a man in his forties whilst he was stood with friends in the main corridor near to the toilets.
The offender made off from the bar seconds later.
The victim was taken to hospital with serious injuries that may have a lasting-effect on his health.
Police would like to speak to the man pictured in the CCTV footage.
Anyone with any information is asked to email [email protected] or call 101 quoting incident number 65 of the 23rd December. Alternatively you can contact Crimestoppers, anonymously, on 0800 555 111.