A teenager is in Cork University hospital after suffering serious injuries after his car collided with a loose horse on the M8 in Tipperary.
Gardaí were alerted to a serious road traffic collision on the M8 at Cahir Abbey Upper just before midnight on Saturday.
A horse had got on to the motorway and a vehicle collided with it.
The male driver, in his late teens, sustained serious injuries and was taken to CUH.
Gardai are appealing for witnesses to come forward.