Two men have died in accidents in Co Galway and Co Tyrone.
An investigation is underway after a man in his 50s died while diving in Co Galway.
The alarm was raised after he failed to surface after a dive in Killary Habour.
He was airlifted to University Hospital in Galway where he was pronounced dead.
A 20-year-old man died following a road crash in Co Tyrone.
The single vehicle collision happened on the Omagh Road in Dromore.
Police say two other men who were injured in the crash were taken to hospital with injuries which are not life-threatening.