Police are continuing to question three teenagers about the murder of a 20-year-old man in west Belfast early yesterday.
Christopher Meli died after suffering a sustained assault in the Twinbrook area and a second man suffered a serious assault in the same incident.
Two of those detained by the PSNI are aged 18 and the other is a 16-year-old.
Detective Chief Inspector Gareth Talbot said: “We received a report at around 1am of a young man lying at Glasvey Close. After examination by ambulance staff the man was pronounced dead at the scene.
"A number of injuries were noted on the body and as such, we are treating this death as murder.
"An investigation is now under way and we are seeking information from the public to assist us with our inquiries.
"I would appeal to anyone who has any information or who witnessed any disturbances in the area of the Stewartsown Road or Glasvey Close to contact detectives at Musgrave on 101.
"Information can also be given anonymously through the independent charity Crimestoppers on 0800 555 111,” he added.
Elsewhere, the PSNI has confirmed that a 25-year-old man has been charged with the murder of a woman in Portavogie, Co Down yesterday.
It is believed that the victim, 52-year-old Lija Arustamova, was from Lithuania.
She was found in a house in the fishing village early yesterday morning.
The PSNI has said the man in custody will appear before Downpatrick Magistrates' Court tomorrow.