TWO men punched a man until he lost consciousness in a brutal nightclub assault.

The pair approached a 22-year-old man in Old Town's Tree nightclub and pushed him to the floor between the hours of 3am and 4am on Sunday May 13.

They then punched him in the head until he fell unconscious.

Police are appealing for information and released a photo of two men they would like to speak to in relation to the incident.

Call police on 101 or Crimestoppers on 0800 555111.