Tallaght: Twins, aged eight, and sister, 18, killed after 'violent incident' in Dublin
Officers were called to the property in the Rossfield estate in Tallaght at about 12.30amPolice in the Republic of Ireland are investigating the deaths of a teenager and her younger brother and sister following a violent incident in Dublin.
An 18-year-old woman and her brother and sister, twins aged eight, died after an incident at a house in the west of the city.
A 14-year-old boy was also taken from the scene to Tallaght Hospital with serious injuries which are not thought to be life-threatening.
The Garda Armed Support Unit used less-than-lethal devices to arrest a man in his early 20s at the scene.
He is currently detained at Tallaght garda station under Section 4 of the Criminal Justice Act 1984.
The mother of the children, who was not injured at the scene, was also taken to CHI and is currently receiving medical treatment.
Gardai said everyone involved is believed to be known to each other and officers are not looking for anyone else in connection with the incident.

Twins, aged eight, and sister, 18, killed after 'violent incident' in Dublin
Officers were called to the property in the Rossfield estate in Tallaght at about 12.30am