A teen has been arrested after a boy was fatally stabbed at a Tusla care facility in north Dublin.
The stabbing occurred during a row at an emergency residential unit in Donaghmede, housing four unaccompanied children seeking International Protection.
A murder investigation is under way.
The unit, at Grattan Wood apartment complex, is run by a private company on behalf of Tusla, the child and family agency.
Emergency services were called shortly after 11am after a row broke out between two of the teenagers, who are understood to be 17 years of age.
One of them was stabbed and fatally injured.
Gardaí arrested a teenager at the scene. He was taken to hospital with serious injuries.
A female staff member, who tried to intervene and stop the fight, was treated for minor injuries and also taken to hospital.
The area has been declared a crime scene and two apartment blocks cordoned off.
