A murder investigation has now been launched after the sudden death of a woman at her home in south Belfast over the weekend.
The 60-year-old died on Sunday at the property in the Windermere Road area of the city.
A 61-year-old man has been arrested on suspicion of murder and remains in custody.
PSNI Detective Inspector Jennifer Rea said: “I want to offer my condolences to the family and loved ones of the victim at this tragic time.
“I would appeal to anyone who has information they believe may assist our investigation to contact detectives on 101.
“Alternatively, information can also be provided to the independent charity Crimestoppers on 0800 555 111 and is 100% anonymous.”