Gardaí are investigating the death of a man in his early 20s following an incident in northwest Dublin on Saturday night.
A man in his 20s, arrested as part of the inquiry, was released without charge on Monday.
Gardaí received reports of a disturbance at Curragh Hall Crescent in Tyrrelstown, involving a group of individuals, at around 10.30pm.
The incident occurred during a confrontation involving a group of males which moved up the street.
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The injured man was helped into a car which left the scene. He later presented at Connolly Hospital in Blanchardstown with serious injuries. He was subsequently pronounced dead.
Gardai said those involved in the incident had dispersed by the time members of the force arrived at the scene after receiving a report about a disturbance.
A search team was at the scene on Sunday where they were understood to be looking for a weapon and other relevant evidence.
A man in his 20s was arrested by gardaí and detained under Section 30 of the Offences against the State Act at a garda station in the Dublin region.
The scene at Curragh Hall was being preserved on Sunday for examination by the Garda Technical Bureau. The office of the State Pathologist was also notified.
A senior investigating officer has been appointed to lead the investigation from the incident room at Blanchardstown Garda station. A family liaison officer has also been assigned to support relatives of the deceased man.
Gardaí are appealing to anyone who witnessed the incident to contact Blanchardstown Garda station on 01 666 7000, the Garda Confidential Line on 1800 666 111, or any garda station.
