Police in Leeds are releasing an image of two males they would like to speak to in connection with an assault and a public disorder incident.
The incident happened on Friday 18 May at around 2:30am at Neighbourhood bar on Greek Street.
There was a verbal altercation between two groups of people within the bar which escalated into disorder, with one male trying to intervene to break up the disorder but was assaulted and knocked to the floor.
The 28-year-old male was stamped and kicked whilst on the floor and sustained serious injuries to his head. He was taken to Leeds General Infirmary and found to have a fractured skull, broken ribs and a chipped tooth.
During the same incident a 49-year-old male from Filey, suffered serious facial injuries which required stitches after been hit in the face with a glass.
The 28-year-old male required surgery on his skull.
Police have been a number of arrests in connection with this incident, but are appealing for members of the public to come forward with any information about the men pictured.
Anyone with any information about the incident itself or anyone who recognise the men pictured is asked to contact Kirklees CID via 101 quoting crime reference number 13180127878 or alternatively information can be given to Crimestoppers anonymously on 0800 555 111.