A man was knocked out after being punched in the back of the head outside a Blackpool bar.
He was talking to bouncers outside Yates’s, in Market Street, when he was hit from behind, police said.
He fell to the ground unconcious before getting back up again and walking away, at around 12.30am on Saturday, August 29.
Detectives have now appealed for the victim, believed to be a tourist, to come forward.
A 29-year-old man was arrested on suspicion of assault and has been bailed until December 2 pending further enquiries.
Call police on 101 quoting WA1513264 ber 2 with any information.