Five casualties were treated in five separate incidents in the Comeraghs in County Waterford this afternoon.
A 50-year-old man was first to be airlifted by Rescue 117 and taken to University Hospital Waterford.
A young woman was the second callout The South East Mountain Rescue Association responded to - she was also airlifted by 117 and brought to hospital.
The mountain rescue team carried a young man with leg injuries off the mountain later in the afternoon as the helicopter was fog bound.
In two more incidents, a woman and man were assisted off the mountain and treated locally.
All five incidents happened in the Coumshingaun area between midday and 6pm.