A PARTYGOER was knocked out while enjoying a night out in a Colchester nightclub.

Detectives have released a CCTV image of a man they want to speak to following the attack in a High Street club.

A spokesman for Essex Police said: "Enquiries to date to trace the man have so far been unsuccessful and so detectives are releasing a CCTV image and asking the public to provide his name.

"A 23-year-old man from Sudbury, visiting the town for a friend’s birthday, was inside the Liquid and Envy nightclub in Colchester at 2.30am on October 6.

"While on the first floor stairwell he was elbowed in the face knocking him out.

"The victim required hospital treatment and surgery to facial injuries."

Anyone with information call PC Jason Munns at Colchester police station on 101 or Crimestoppers on 0800 555 111.