CCTV images of a man police would like to speak following an assault have been released.

Police are appealing for information after a female member of door staff was punched outside the pub in Chorley.

Officers were called shortly before 3am on November 19 following reports of an incident close to the Flat Iron pub in Cleveland Street, police said.

Officers said a man had been drinking in the pub when he went outside for a cigarette.

When he attempted to re-enter the pub he was refused entry inside and became abusive, punching a female door staff member.

Police said the 30-year-old fell to the floor, seriously injuring her right knee, as the attacker made off from the scene.

Following extensive enquiries police would like to speak to this man, pictured, in connection with their investigation.

PC Mark Price, of Chorley Police, said: “This was a nasty, unprovoked assault on a woman just doing her job.

“It was particularly cowardly and has left the woman with serious injuries to her right knee, sustained as she has lost balance.

"Anyone who recognises the man should call police on 101."