Donegal mountain rescuers are still hopeful of finding an American tourist who has been missing since Saturday.41-year-old Kelly Jones is said to be an experienced walker but has not been seen since she left her hostel in the south-west of the county.Brian Murray from the mountain rescue team said she may have succumbed to hypothermia and he was working on the basis she was still in the area.He added it was also possible that she may have gone elsewhere. From / BBC