The incident occurred last month.
A man has been arrested following the murder of a woman and two children at a house in south Dublin.
The incident occurred on 28 October, 2020, at a domestic dwelling at Llywellen Court, Ballinteer.
The man, who was arrested on Saturday morning, is currently being detained under the provisions of Section 4 of the Criminal Justice Act, 1984 at Dundrum Garda Station.
Gardaí have said that investigations remain ongoing despite the arrest.
Gardaí are continuing to interview witnesses, conduct extensive door-to-door enquiries and gather and examine all relevant CCTV.
