A man has been arrested as part of the investigation into a house fire in Co Donegal in which a woman in her 80s died.

The fire at the house in the Doochary area was brought under control at around 4.40pm yesterday.

The woman's body was found inside the house.

The scene was preserved for a forensic examination and the Office of the State Pathologist has been notified.

Gardaí say the results of a post-mortem examination on the woman's body will determine the course of their investigation.

A man in his 60s has been arrested in relation to alleged criminal damage and is being questioned at Ballyshannon Garda Station.

Gardaí are appealing to anyone who may have any information to contact them at Ballyshannon Garda Station on 071 985 8530, the Garda Confidential Line on 1800 666 111, or any garda station.