Police are appealing for information following a wounding offence at the Kings Arms Public House on Marine Road, Morecambe.
The offence took place at 1.30am on Sunday, November 11 when a 35-year-old man became involved in an argument within a group of friends.
A man jumped up onto a bar stool behind him and hit him to the top of the head with a glass, causing a head injury that required hospital treatment.
This man was immediately ejected by door staff.
The man is described as being white, around 5ft6inch to 5ft9inch, medium build, with a shaved head wearing jeans and a t-shirt.
A police spokesperson said: “Any witnesses to this incident or anyone with any information about the identity of this man should contact DC Donna Hemingway on 101 quoting crime reference BB1204214.”