The Clonmel based South Eastern Mountain Rescue Association is involved in the search for a woman who is missing in the Comeragh Mountains.
The 37-year-old was last seen at around 12.45 yesterday afternoon.
The Rescue 117 Helicopter is also taking part in the search operation this morning.
Gardaí are asking hill walkers and farmers in the Rathgormack, Nire Valley and Mahon Falls area to be on alert for any sightings of the woman and to contact Gardaí in Tramore.
