Three people arrested in connection with a fatal arson attack in Waterford have been released without charge, Gardaí said. The attack happened shortly after 5am on Tuesday, 13 October 2026, in the Birchwood area of Waterford City, where a family home was targeted. Four people were killed in the fire, Kim and Phillip English and their two children, Callum and Jayden. Two more children remain critically injured in hospital. Gardaí said a man aged in his 50s and two women aged in their 30s were arrested on Tuesday, 20 October, 2026. All three were released without charge, and a file will now be prepared for the Director of Public Prosecutions. A fourth suspect, a man in his 20s, was arrested on Thursday, 22 October, 2026 and remains in Garda custody. Gardaí confirmed they are continuing the murder investigation into the Birchwood arson attack and fatal house fire.