A man has been arrested on suspicion of murder following a fatal house fire in Co Offaly in which a woman and child died in December.
Four-year-old Tadhg Farrell and his great-aunt Mary Holt died in a house fire in Castleview Park, Edenderry, on December 6.
On Wednesday, gardai said a man in his late 20s had been detained on suspicion of murder under Section 4 of the Criminal Justice Act, 1984, at a garda station in the midlands.
A spokesperson said: “Investigations are ongoing.”
The young boy’s grandmother also received hospital treatment for serious burn injuries.
The child had been visiting his grandmother and great-aunt when the home was attacked shortly before 7.45pm.
Investigators previously released CCTV footage of the attack that appears to show two hooded individuals smashing a window before setting an object on fire and throwing it into the property.
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