Camborne family die in suspected CO poisoning 23 February 2013 Last updated at 18:31 An elderly couple and their daughter have died from suspected carbon monoxide poisoning at a caravan park. Firefighters from Camborne and a specialist hazardous material advisor attended the property at Tremarle Home Park, North Roskear, Camborne. Cornwall Fire and Rescue Service said the alarm was raised about 13:00 GMT. Carbon monoxide (CO) poisoning is thought to have been the cause of a woman's death in St Ives, Cornwall, earlier this month. CO is a colourless, odourless gas produced by the incomplete burning of fuels, including gas, oil, wood and coal. Inhaling it reduces the blood's ability to carry oxygen and can be fatal.