Overview
- Gardaí say the suspect is detained under Section 4 of the Criminal Justice Act 1984 at a Garda station in the midlands.
- The December 6 attack at a Castleview Park home killed four-year-old Tadhg Farrell and his grandaunt Mary Holt, 60.
- A petrol bomb was thrown through the living-room window of the house, according to reports.
- The child’s grandmother, Pauline, suffered serious burn injuries and remains in hospital.
- Investigators are probing a potential link to an assault at Midlands Prison hours earlier after questioning five inmates last month, including the child’s father, Aaron Holt, 27.