Seven people have been injured following three separate crashes in Tipperary, Cork and Wexford.
A woman and man in their mid-20s were injured in a single vehicle collision on the Gorey to Craanford Road at Knockbrandon at 7.30am this morning.
Both people were taken to Wexford Hospital where they are being treated for their injuries.
The Tipperary incident, involving a single vehicle, took place in the village of Holycross at around 2.30am.
Two men, aged 19 and 20 were seriously injured in the crash and brought to South Tipperary General Hospital in Clonmel where they are currently being treated.
Meanwhile in Togher, Co Cork a crash left three men – two 19-year-olds and a man in his early twenties – injured. All three were taken to Cork University Hospital where there condition is said to be serious.
Forensic collision investigators were at all three scenes overnight but all roads have been reopened.
Gardai in Gorey, Cork and Tipperary have appealed for witnesses to come forward.
Gorey Garda Station can be contacted on 053 9430690. The number for Thurles Garda Station is 0504 25100 while the Togher Garda Station number is 021 4947120.
Alternatively, information can be relayed via the Garda Confidential Line which is 1800 666 111 or through any Garda station.
Meanwhile, arrangements are being made for the funerals of three brothers Darren, David and Ryan Doyle, and their friend Lee Bryan who were killed while driving in his maroon Honda Civic to Tullamore on Friday evening. The men were aged from 17 to 27.
The car was in a crash with a minibus on the R420 road from Portarlington.
Inspector Kieran Keyes said, at the scene, that it had been a "horrific collision" involving a Honda Civic car and a Mercedes minibus. Gardaí are calling on anyone who saw the maroon Honda Civic or the white mini bus between 4pm and 5.30pm to come forward. Anyone who may have spoken with the occupants of either vehicle is also asked to contact gardaí in Tullamore Garda.
He stressed that investigations were at an early stage. He said it appeared that the men in the car were travelling in the Portarlington direction and were overtaking a vehicle at the time of the accident.