Two men have died and two women have been injured in a collision in Co Cork.
Brendan Donnelly, aged 24, from Beach Drive, Greenfields, Waterford and Lee Salkeld, aged 26, from the Old Tramore Road in Waterford were both killed in the accident.
The crash happened on the N25 at Caherulton, Castlemartyr, Co Cork, at around 2.45am this morning.
A Ford Mondeo travelling from the Cork direction was in collision with a Volkswagen Polo travelling from Waterford.
The two injured women, who had been in the Volkswagen Polo, were taken to Cork University Hospital. They are described as being in a stable condition.
The Ford Mondeo was being driven by a man, who was the sole occupant of the vehicle.
He left his car at the scene of the crash and left the area but was arrested later at Ballinacurra, Midleton.
He is in his 20s and from the area. He is being held at Midleton Garda Station.
The road was earlier closed-off for examination.
Gardaí are asking witnesses to the accident to contact them on 021-4621550.