The incident happened in the Esker area of Lucan at around 4am
A man has been killed following an altercation in West Dublin in the early hours of this morning.
The victim has been named locally as 36-year-old Neil Reilly, from Lucan, who was a convicted drug dealer.
The incident happened at The Glebe in the Esker area of Lucan at around 4am.
He was killed when a fight broke out following a crash in the area, which came a short time after shots were fired at a house in nearby Ronanstown.
Nobody was injured in the incident at Liscarne Gardens in Ronanstown.
Following the altercation in Lucan, the victim was taken by ambulance to Connolly Hospital where he was pronounced dead.
A murder investigation has been opened.
Superintendent Dermot Mann explained to reporters what they know so far.
"After the crash, there was a serious altercation on the street - involving five to six people, or maybe more," he said.
Anyone with information is being asked to contact Lucan Garda Station on 01-666-7300, or the Garda Confidential Line on 1800-666-111.