Hampshire police are appealing for witnesses after a man was assaulted in Wonderland nightclub, in Basingstoke.
Detective Constable Andy Panter said: "This was a serious assault which has resulted in the victim needing surgery to his jaw."
Anyone with any information is asked to contact Det Con Panter at Basingstoke CID on 101.
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A teenager who carried out a prolonged, random attack on a man sleeping in bed has been jailed.
Friday morning's forecast for the east of the region
Friday morning's forecast for the west of the region