Gardaí in Tallaght have arrested two women in their 30s this morning in connection with the fatal stabbing of Reece Cullen.
The stabbing occurred at Kilclare Crescent, Tallaght on January 5, 2017.
The two women were arrested in the Tallaght area this morning after 7am.
They are both being held at Tallaght Garda station under the Section 30 of the Offences Against the State Act 1939/98.
Reece Cullen was 17 when he was killed in the fatal stabbing.
Emergency services were notified by a neighbour who discovered the teenager bleeding heavily in the corridor of the house.
Reece was taken to Tallaght Hospital but was later pronounced dead.
The teenager had recently lost his mother, Ann Marie Cullen, who died in September 2016.