CCTV images have been released by police investigating an assault in Edinburgh's city centre.

A 40-year-old man suffered facial injuries in the attack on St Mary's Street, near the Royal Mile, shortly before midnight on Monday, January 18.

Officers said they were keen to speak to a man pictured on CCTV footage who was seen in the area at around the time of the assault.

Anyone who recognises the man is asked to contact police immediately.

Detective constable Christopher Harding said: "The victim suffered a very painful facial injury.

"The male pictured is believed to be of significance to our investigation and anyone who can assist in tracing him is asked to come forward.

"Similarly we would ask this male to get in touch with police themselves and help with our investigation."

Anyone with information can contact Police Scotland on 101 or the charity Crimestoppers on 0800 555 111.