A 21-year-old man and a 42-year-old woman died in separate car crashes within hours of each other on Saturday. Both accidents happened during daylight.
Mr Seán Cavanagh, from Ballyargus, near Redcastle, Co Donegal, died when his car went off the road at an accident blackspot near Muff in Donegal.
The accident happened at 10.30 a.m. at Gráinne's Gap between Muff and Buncrana. This is the same stretch of road where three young Latvian men were killed when their car went off the road last June.
Mr Cavanagh was alone in the car and no other vehicle was involved in the accident.
The road is known locally as a high-risk area for traffic accidents.
Gardaí in Monaghan are investigating a two-car collision in Clontibret, close to Monaghan town, shortly before 3 p.m. on Saturday.
A 42-year-old woman died and several others were injured in the crash.
The family of the woman, who is thought to be from Northern Ireland, have asked that her name not be disclosed.
