Gardaí in Cork are appealing for witnesses after the driver of a car that crashed fled the scene.
The single vehicle collision happened in the Rathmacullig area of Ballygarvan shortly before 12.30pm on Friday.
Gardaí were called to the scene after a car had struck a wall.
The passenger of the car, a man aged in his 30s, was brought to Cork University Hospital with what is believed to be serious injuries.
The driver of the car failed to remain at the scene.
The road has been closed and diversions are in place.
Gardaí are appealing for anyone who was in the Rathmacullig area, particularly road users with any video footage, to contact Togher Garda station on 021-4947-120, the Garda Confidential Line at 1800-666-111 or any Garda station.