A 91-year-old man is expected to be charged with murdering his wife at a home in Adelaide's northwest.
The woman, 85, was found dead in the Findon home after officers were called around 11.20pm on Saturday.
South Australia Police detectives are treating the incident as a murder.
"The 91-year-old husband of the woman was arrested at the scene and is expected to be charged later with murder," police said in a statement on Sunday.
1800 RESPECT (1800 737 732)
Lifeline 13 11 14
Australian Associated Press