It happened at a house in the Fairways estate at around 4:30am this morning.
He sustained a number of stab wounds and was taken to St Luke's Hospital.
Another male teenager was arrested at the scene in connection with the assault, and investigations are ongoing.
Confirmation of Croke Park for Katie Taylor Expected by Friday
Taylor committed to fighting in Dublin only for the final fight of her professional career, earlier this year.
New Dart Carriages Can Comfortably Pass Through Bray Head Tunnels Despite Rumours
Speculation was rife following the slow introduction of the new DART+ fleet along the Bray Head section of the commuter line.
Newly-Installed Cliff Walk Gate Is Lifted Out Just Days After Installation
The new gate is pulled out mere days after its installation sparked further fume from those fed up of the ongoing cliffwalk closure
Major €5.9m Wastewater Upgrade Will Support Housing Growth In Wicklow Town
Wicklow TD Simon Harris is describing the investment as a “game changer” for the town
Local TD Malcolm Byrne Speaks With Party Leader Following Arrest On Suspicion Of Drink-Driving
Taoiseach Micheál Martin was briefed by Wicklow Wexford TD as the results of further testing are awaited
Light rain shower
High: 16°C | Low: 9°C
Heavy rain shower
High: 17°C | Low: 9°C
Light rain shower
High: 17°C | Low: 7°C
Light rain
High: 16°C | Low: 7°C
Heavy rain shower
High: 17°C | Low: 7°C
