Belfast police believe Patricia Bardon was murdered
Police have begun a murder investigation following a post-mortem examination on the body of a woman found dead in her south Belfast flat.
The death of Patricia Bardon, 51, of Elm Court, off Donegall Pass, was reported to police on Monday afternoon.
A 53-year-old man arrested on Monday is still being questioned.
Detectives had been treating Ms Bardon's death as suspicious; their murder investigation began following tests to determine how she died.