A teenage boy has been arrested after a man was murdered in Tullyally last night.
The 24-year-old was attacked in the Milldale Crescent area at 10.25pm.
He was taken to hospital but later died from his injuries.
Another 24-year-old was also treated for injuries which are not thought to be life-threatening.
A police spokesman confirmed: "Just after 10.25pm, police received a report that a man had been assaulted in the Milldale Crescent area during an altercation.
"The man was taken to hospital where he later died. Another 24 year old man also received injuries to his head in the incident but these are not believed to be life threatening."
Detective Chief Inspector Michael Harvey said: “A 16 year old male was arrested shortly after midnight on Sunday 22 May and is currently assisting us with our enquiries at Strand Road Police Station.
"This has resulted in the tragic death of a young man, therefore I would ask anyone in the community who knows anything about the circumstances leading up to this incident, or saw or heard an altercation in the Milldale Crescent area, to contact police and give us this information.
"Please contact detectives at our Incident Room at Maydown Police Station on 028 7137 9793 or alternatively contact the independent charity Crimestoppers and speak to them anonymously on 0800 555 111."