A man in his 40s is in a serious condition in hospital after being struck by a car in Limerick City.
It happened at the Grove Island roundabout on the Corbally Road, at around 1:30 this morning.
He was taken to University Hospital Limerick for treatment while the driver of the car was uninjured.
The road remains closed for a technical examination and local diversions are in place.
Gardaí are appealing to anyone who travelled on the road or who may have dashcam footage to contact them at Henry Street Garda station on 061 - 212400, the Garda Confidential Line on 1800 666 111 or any Garda station.