Gardaí have launched a murder investigation after the death of a woman aged in her 50s in County Cavan last night.
A man in his 60s was also seriously injured in the incident, which happened at a house in the Ballyconnell area at approximately 9:30pm.
He was transferred to Cavan General Hospital for treatment.
Gardaí arrested a man aged in his 30s in connection with the incident shortly afterwards.
He is now being detained under Section 4 of the Criminal Justice Act 1984 at a Garda station in the County Cavan area.
The scene has been preserved for technical examination by Gardaí.
Gardaí are appealing for witnesses and anyone with information to come forward.