Forensic collision investigations are underway at both scenes
Two people have been killed in separate road crashes in counties Louth and Mayo.
A woman in her 20's died when the van she was a passenger in, hit a tree at Carnalogue in Co. Louth just before 2 o'clock this morning.
A second passenger , a man also aged in his 20's, suffered non life-threatening injuries and was taken to Our Lady of Lourdes Hospital for treatment.
Gardaí say no other injuries were reported.
The woman's body remains at the scene this morning where a technical examination will take place.
Meanwhile in Co. Mayo a man in his 40's was killed in a single vehicle collision in on the N17 at Lisduff Claremorris yesterday evening.
Forensic collision investigations are underway at both scenes and Gardaí are appealing for witnesses.