Police are appealing for anyone, who attended a surfers ball at a night club in North Devon in the summer and witnessed a serious assault, to come forward.
The attack happened in Woolacombe in the early hours of Monday 26th August.
A man in his twenties was struck in the head after leaving the Marisco Club in Barton Road. He lost consciousness and was taken to hospital.
Anyone with information is urged to contact police by calling 101, or emailing firstname.lastname@example.org, quoting crime reference CR/077859/19.