Police investigating the death of teenager Caolan Page in Derry say they want to talk to anyone who saw the collapsed teenager in the Magazine Street area of the city centre.
A PSNI spokesman says police are currently examining CCTV footage in order to determine what happened to the teenager.
He says it is hoped a post mortem will be carried out later today.
“Caolan was found collapsed in the Magazine Street area of the city around 2am on Saturday morning. Police have obtained CCTV images from the surrounding area and are studying footage to determine what happened.
“While these lines of enquiry are being progressed, detectives are still very interested in talking to anyone who may have information about the incident.
“Police are particularly keen to speak to people who saw a man collapsed in Magazine Street around 2am on Saturday or who were in the Waterloo Place area around the same time or who came into contact with Caolan, who was from Carrigans in Co Donegal, at any time during the evening,” the spokesman says.
He says police were contacted at 8.35am on Saturday morning and made aware that Caolan had been taken to hospital with a head injury.
The spokesman says police immediately liaised with ambulance control to establish the details and are continuing to investigate this incident.
Anyone with information is asked to contact detectives at Strand Road on 0845 600 8000. Or, if someone would prefer to provide information without giving their details, they can contact the independent charity Crimestoppers and speak to them anonymously on 0800 555 111.