A teenager was left seriously hurt after a gang attack in Perth city centre.
The 19-year-old was set upon by five or six men in South Street in the early hours of Friday, February 10.
Detectives said the victim suffered a head injury and required treatment in hospital.
The assault happened at around 2.45am.
A Police Scotland spokesman said: “Officers would like to speak to a man in connection with the matter. He is aged about 20 to 30 years old, stocky and was wearing a grey coloured top.”
Anyone with information is urged to call police on 101 or freephone Crimestoppers in confidence on 0800 555 111.