UPDATED at 11.50am
Gardai have confirmed that a teenage girl, 18, and twins, a boy and a girl aged 8, died this morning following a violent incident in Tallaght.
At around 12.30am on Sunday morning September 4, gardai were alerted to an incident in Rossfield Estate. The teenager and two children were rushed to Crumlin Children's Hospital and were pronounced dead.
A male teenager, aged 14, was taken from the scene to Tallaght Hospital with serious non-life threatening injuries.
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Following an intervention by members of the Garda Armed Support Unit, a male in his early 20s was arrested at the scene and detained at Tallaght Garda Station. He is currently being held under section 4 of the Criminal Justice Act 1984.
All people involved in the incident are believed to be known to each other. The mother of the children was not injured at the scene but is currently receiving medical treatment.
Gardai are not looking for anyone else in relation to this incident at this time.
The scene in Rossfield Estate remains sealed off and a Forensic Examination will commence later today by the Garda Technical Bureau. The Coroner’s Office and the Office of the State Pathologist have been informed.
An Garda Siochana have appointed a family liaison officer and will continue to support the family involved in conjunction with other state agencies.
A statement from An Garda Siochana said: "This violent, challenging and traumatic incident was responded to by uniform unarmed Garda first responders from Tallaght District, supported by uniform members and armed detectives from the wider DMR South Division and Specialist Armed Support Unit members. An Garda Siochana has put in place welfare supports for, and will continue to support, all members who attended this incident."
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