Father and son working in water tank ‘succumbed to petrol fumes’ Stuff‘We’ll never know the answer’: Family lose father and son in water tank tragedy NZ HeraldFather and son named after ‘highly unusual’ hazardous substance deaths in beach town StuffPolice name victims of ‘hazardous substance’ incident in beachside town NZ HeraldTwo dead after hazardous substance call in beach town north of Auckland Stuff