The incident occurred on Friday evening.
Gardaí in Dundrum, Dublin 14, are investigating the death of a 19-year-old man following an incident on Friday evening, 10 May.
At approximately 8.10pm on Friday, the unnamed man received an apparent stab wound at Finsbury Park in Dundrum.
He was was treated at the scene by emergency services and taken to St James Hospital where he was pronounced dead a short time later.
No arrests have been made.
The scene at Finsbury Park has been sealed off pending a Garda forensic examination.
The assistance of the Garda Technical Bureau has been requested by investigators and an incident room has been established at Dundrum Garda Station.
Investigating Gardaí are appealing to anyone who may have witnessed this incident or who may have information to contact Dundrum Garda Station on 01 666 5600.
Alternatively, people may contact the Garda Confidential Line on 1800 666 111 or any Garda Station.
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