Police are treating the death of a 51-year-old woman in Maguiresbridge, County Fermanagh, as murder.
Her body was found in a house in Abbey Road along with a 55-year-old man on Monday afternoon.
A man in his 30s, who was also in the house, suffered stab wounds to his stomach. Police say they are treating his injuries as attempted murder.
The PSNI say they are not looking for anyone else in connection with the incident.
The man in his 30s is in a stable condition in hospital.
Det Ch Insp Eamon Corrigan said: “Post mortem examinations will be carried out in due course and, at this stage, we are working to establish the circumstances surrounding the incident.”
He appealed for anyone with information to contact police.
Neighbours said they were shocked by what had happened.