A man in his 20s who died following an assault in Dublin on Saturday night.
Victor Mamaligia had arrived at Connolly Hospital Blanchardstown with serious injuries but was later pronounced dead.
Gardaí had earlier responded to reports of a disturbance involving a number of people at Curragh Hall Crescent in Tyrrelstown at around 10.30pm.
The group had dispersed by the time gardaí arrived at the scene.
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A man in his 20s was arrested in connection with the investigation and is being held at a garda station in Dublin.
Curragh Hall Crescent and an adjoining wooded area remain sealed off this afternoon.
Garda forensic teams carried out investigations on a number of areas within the cordoned off area, including in front of apartments, where its understood the altercation may have started and the bottom of adjoining street Curragh Hall Drive.
Witnesses who live in the area said that they were alerted to what was happening when they heard shouting and described seeing the injured man being helped into a car.
An incident room has been set up at Blanchardstown Garda Station and a Senior Investigating Officer is leading the investigation.
A Family Liaison Officer has been assigned to support the family of the man who died.
Gardaí are appealing to any witnesses, or anyone with information to contact Blanchardstown Garda Station on 01 666 7000, the Garda Confidential Line on 1800 666 111, or any garda station.
