A man in his 40s has died after collapsing while climbing An Earagail in Co Donegal.
The man became seriously ill on the mountain around midday.
The emergency services were immediately called in an operation overseen by the Malin Head Coastguard scene.
Amongst those who responded to the call was the Rescue 118 helicopter.
The helicopter managed to land close to the scene and took the casualty to Letterkenny University Hospital.
However, the man was pronounced dead at the hospital a short time later.