DETECTIVES investigating a serious assault in Glasgow city centre today released CCTV of a man they want to speak to.

A 43-year-old man was attacked in Midland Street at around 11.30pm on Saturday June 13 2015.

Police are keen to speak to the man shown in the images as they believe that he may be able to assist with their investigation.

Detective Constable Stuart McDonald, Greater Glasgow CID, said:"This was a particularly violent and unprovoked attack on a busy Saturday night in the city centre and cannot be tolerated.

"We seek the assistance of the public in tracking down those responsible.

"Anyone with information is asked to contact Greater Glasgow Police on 101."