A CCTV image has been released as police try to trace a man in connection with an Aberdeen assault.
A man was assaulted on Union Street at around 12.45am on November 24.
Officers are trying to find a man who may be able to assist with their inquiry.
The man is described as being mid 20’s, approximately 5 feet 9 in tall, slim build with medium scruffy dark hair.
He is described as wearing a grey jacket, dark top, dark trousers, dark shoes, and was carrying a green rucksack and a pair of white roller skates or ice skates over his shoulder.
Investigating Officer Constable Thomas Spencer said: “This was an unprovoked attack resulting in a male sustaining a serious injury to his head. Assaults of this nature have a significant impact on the life of the victim. I would appeal to anyone who recognises the male pictured or has any knowledge of this incident to come forward and contact the police.”
Anyone with information is asked to contact Police Scotland on 101 or Crimestoppers on 0800 555 111 where information can be provided anonymously.