Edenderry firebombing: Tadhg Farrell (4) died in firebomb as he was babysat by grandaunt Mary Holt as gardaí hunt gang behind 'reckless, callous' attack

A major garda search operation took place in the Midlands Prison in Co Laois this morning as part of the investigation into the murders of little Tadhg Farrell and Mary Holt.