Two people remain in University Hospital Kerry following a serious crash in Listowel in the early hours of Saturday.
The incident happened at around 7am between Amber filling station and Derry Crossroads and involved a number of vehicles.
Three men and one woman believed to be local were brought to University Hospital Kerry.
One of the men was then taken to Cork University Hospital, however he has since been transferred back to UHK.
Two people have been released from hospital.