A CCTV appeal has been made after a man was left with a serious facial injury in an attack outside a nightclub.

The 19-year-old victim had been on a night out in Glasgow city centre when he was targeted.

He required medical treatment at the scene of the incident, which officers are treating as a serious assault.

Police have released images of a man they want to trace in connection with the attack, which occurred near the Shimmy club in Glasgow's Royal Exchange Square.

Detective Sergeant Sarah Finnigan said: "This was a violent assault on a young man following a night out in the city centre and it is vital that we find the individual responsible."

She added: "I would also ask the man pictured in the images, or anyone with information about his identity, to please get in touch as it is crucial that we speak to him as part of our investigation."

The serious assault took place around 3.15am on Thursday January 5 this year.

Anyone with information is asked to contact the police on 101.