Police have released CCTV images of a man they wish to speak to following an assault in the city centre on New Year's Day.
The attack happened in South Bridge, near the junction with Niddry Street, around 5.15am.
A 29-year-old was struck in the face and suffered a serious injury which required hospital treatment.
Police say the man in the pictures could help with their investigation.
Detective Constable Darren McDonald of Edinburgh’s CID said: “The victim sustained a painful injury following an unprovoked attack, and we believe the man pictured have information which could be of assistance to our investigation.
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“We’re now appealing for the public’s help as part of our enquiries and would urge anyone who recognises him, or who may have been in the area at this time and has information of any relevance, to come forward.”
The man police are seeking is described as mixed-race with short black hair, aged 18 to 21, and is around 5ft 7in tall and of slim build.
He is pictured wearing a black hooded jacket, black trousers, a red-coloured item near his waistband and dark-coloured trousers with a white rim.
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