Gardai in Dundrum are investigating after a 19-year-old was fatally stabbed in the area last night.
The victim was treated at the scene in Finsbury Park following the incident at around 8:10pm on Friday night.
He was taken to St James Hospital but pronounced dead a short time later, and no arrests have yet been made.
The scene at Finsbury Park has been sealed off pending a Garda forensic examination, with the assistance of the Garda Technical Bureau has been requested by investigators.
An incident room has also been set up at Dundrum Garda Station. The investigation is on-going.
Gardaí are appealing to anyone who may have witnessed this incident or who may have information to contact Dundrum Garda Station 01-666 5600, the Garda Confidential Line 1800 666 111or any Garda Station.