An investigation has been launched into a serious assault that occurred at a house in the Darndale area of north Dublin.
A man and a woman, aged in their 40s and 50s respectively, both received stab wounds in the incident that took place around 7.30am.
They have both been taken to Beaumont Hospital.
The man's condition is described as critical and the woman's injuries are understood to be serious but non-life threatening.
The scene at Snowdrop Walk in Darndale, Dublin 17 is currently preserved for a garda technical examination.
A man, aged in his 20s, was arrested at the scene and is currently detained at Coolock Garda Station.
Gardaí are not seeking any other persons in relation to this incident.
