The collision between a car and a van occurred shortly before 10pm at Birdstown, Co Kildare, approx. 3 miles from Junction 3(M9) heading for Athy N78.
A number of people (five females and two males) were seriously injured and were treated at scene and taken to Naas General hospital. Four of the females have since died.
They were returning to college after the Christmas break.
The road is closed and will remain closed until late tomorrow to facilitate a Forensic Collision Examination and diversions are in place.
Witnesses to the collision are asked to contact the Gardai in Athy on 059 8634210, the Garda Confidential Line on 1800 666 111 or any Garda station.Tags: