A 78-year-old hillwalker rescued on Monday night in Glen Clova, Angus, has died in hospital, police have said.
Local rescue teams found John Anderson, from Dundee, near the summit of Cairn of Barns after a search.
Tayside Police said the man, an experienced hillwalker, was reported as being overdue by a family member at 1930 BST on Monday.
He was carried down the hill and airlifted to hospital. It is thought he suffered a heart attack.
Officers from Tayside Police and Tayside Mountain Rescue Team were involved in the search.
After finding the missing walker's car parked near to the Glen Clova Hotel, the rescuers made their way to the summit of the 651m (2,136ft) Cairn of Barns.
They found the man unconscious and suffering from hypothermia.
Low cloud prevented the RAF search and rescue helicopter lifting the man directly from where he was found.
He was carried to lower levels and then airlifted to Ninewells Hospital in Dundee, but died in the early hours of the morning.