Devon and Cornwall Police has confirmed that a woman and her elderly parents have died of suspected carbon monoxide poisoning at a caravan park in Camborne.
Officers say the alarm was raised at just before 1pm after the couple's helper was unable to reach them.
Firefighters visited the static caravan at Tremarle Home Park and recovered the bodies of three people and a dog from inside.
More top news
One iPhone 6 customer has learned the hard way that speed is not always of the essence when attempting to liberate his new Apple gadget.
Their relief of Scottish banks, estate agents and other businesses this morning is obvious after the country voted to stay in the UK.
The referendum story is rapidly heading south. Scottish voters were promised more power - now English and Welsh voters ask "what about us?"