The vehicle was abandoned a short distance away from the scene where four pedestrians were hit.
Gardaí in Henry Street in Limerick are appealing for witnesses in relation to a serious injury hit and run road traffic collision.
The incident occurred at Corn Market Row in the early hours of Sunday morning (10 October) at approximately 1am.
Three pedestrians, one man and two women were struck by a vehicle which left the scene after the crash.
All three people were removed from the scene by ambulance to University Hospital Limerick.
The male pedestrian (33) received serious injuries and is in critical condition.
The two female pedestrians (both late 30s) received non-life threatening injuries.
A fourth female (19) pedestrian presented at University Hospital Limerick also injured by the same vehicle at the same time. Her condition is non-life threatening.
The offending vehicle was located abandoned a short distance away and has been seized for technical examination.
Gardaí are appealing to anyone who may have witnessed this collision to come forward.
Any road users who were travelling along Corn Market and High Street in the early hours of Sunday morning between 1am and 1.30am and who may have camera footage are also asked to make it available to Gardaí.
Anyone with any information is asked to contact Henry Street Garda Station on (061) 212400, the Garda Confidential Line on 1800 666 111, or any Garda station.
Investigations into the incident are ongoing.
