Two young men have been killed in separate road traffic collisions in Dublin and Cork on Saturday.
In Cork, gardaí were alerted to the crash in Skibbereen shortly before 10.30pm involving a 4x4 and a car.
The driver of the car, a man in his mid-20s, was pronounced dead at the scene and his body has since been taken to Cork University Hospital where a post-mortem examination will be carried out.
The driver of the 4x4, a man in his 40s, was also taken to Cork University Hospital for treatment but his injuries are not thought to be life-threatening.
Gardaí said the scene has been preserved for a technical examination, with local diversions in place.
Witnesses of the collision are being asked to contact Clonakilty Garda station o 023-882 1570, the Garda Confidential Line on 1800-666 111, or any Garda station.
Earlier, gardaí confirmed another man in his 20s was also killed in a road crash in Dublin on Saturday night.
At approximately 9.30pm, gardaí and emergency services attended the scene of the crash on the R126 Hearse Road near Donabate, at the junction with Cobbe's lane.
A motorcyclist, a man aged in his 20s, was pronounced dead at the scene despite being treated by emergency services personnel.
The man's body was taken to Connolly Hospital in Blanchardstown where a post-mortem examination will be carried out.
A statement from gardaí gave no information regarding the second vehicle or its occupants.
Garda Forensic Collision investigators carried out a technical examination of the scene and the road has since been reopened to traffic.
Gardaí are now appealing for anyone with information to come forward by contacting Swords Garda station on 01-666 4700, the Garda Confidential Line or any Garda station.