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A man is being questioned over a fatal stabbing in west Dublin.
The knife attack happened in Fortlawn Avenue, Blanchardstown, shortly after 1.30am on Tuesday morning.
The victim, a man in his early 20s, was taken to Connolly Hospital by ambulance, and was pronounced dead a short time later.
Another man, also in his early 20s, was arrested close to the scene and taken to the Blanchardstown Garda Station, where he is being detained under Section 4 of Criminal Justice Act 1984.
Gardai have appealed for any witnesses to come forward.
"The scene is preserved pending forensic examination by Garda Crime Scene Investigators," a spokesman added.
Paul Donnelly, Dublin West Sinn Fein representative, branded the stabbing a senseless and brutal crime.
"Sadly, knife crime is becoming more and more prevalent in our society," he said. "This morning's attack in nearby Fortlawn is a brutal and senseless act.
"I want to make a strong appeal to anybody who may have any information on this crime to please contact the Gardai in Blanchardstown immediately.
"I also want to appeal to young people to please desist from carrying knives."
