Gardai were called to a house in Clarinda Park East, Dun Laoghaire, Dublin, at around 5:20 pm.
Upon arrival, they found a 65-year-old woman who had sustained a single stab wound. She was rushed to St. Vincent’s University Hospital, where she was pronounced dead a short time later.
A male in his 30s was arrested at the scene and is currently being detained at Dún Laoghaire Garda Station. The victim reportedly knew this man.
Gardai are appealing for witnesses or anyone with information to contact them.