A teenager is still being questioned by Gardai in Dublin in connection with the fatal stabbing of a 17 year old in Jobstown.
Reece Cullen died in Tallaght Hospital after being attacked in Kilclare Crescent at 3 o'clock yesterday afternoon.
It's understood the young man presented himself at Tallaght Garda Station this morning.
A post mortem is due to take place today on the body of the 17 year old.
Local Councillor Charlie O'Connor, says it's important for anyone with information to come forward: