Investigators found human remains in William Spengler's burned-out house, where he lived with his sister, Cheryl Spengler.
The remains are assumed to be the sister's and a medical examiner will determine the cause of death, police said.
More top news
"People must be aware at all times that there are wild animals around them and they must make sure that their tents are properly closed."
The UK has been stripped of its top credit grade rating by Standard & Poor in the wake of its vote to leave the European Union.
Tonight: Showers will become confined to northern and western Scotland overnight leaving much of the country dry with clear spells.