A man was hurt in an unprovoked attack at a Blackpool nightclub.
The man, 41, was hit on the back of the head during the Sequins event at Infinity on Foxhall Road in the town on Sunday, May 5 between midnight and 1.15am.
He had to be taken to Blackpool Victoria Hospital for head injuries.
Det Sgt James Edmonds from Blackpool CID said: “The victim of the attack was struck from behind in a seemingly unprovoked attack.
“He required hospital treatment for his injuries, and is recovering at home. He is very shaken by the incident.”
Det Sgt Edmonds is appealing to any witnesses of the attack to come forward.
Anyone with information is asked to contact Blackpool CID on 101 or Crimestoppers anonymously on 0800 555 111.