The driver of the car was arrested.
A man in his 20s has died following a crash in Dublin overnight.
The single-vehicle collision happened in Ballyfermot shortly after half ten.
Gardaí said he was a passenger in a car that went out of control on Sarsfield Road.
He was taken to hospital in a critical condition, but died from his injuries.
A woman in her 20s, who was also a passenger, was seriously injured.
The driver of the car has been arrested.
