It is believed the woman who died from suspected carbon monoxide poisoning in St Ives was Jill Adams, who was in her 60s. Mrs Adams' body and those of her three dogs were found on the ground floor of the bed and breakfast she ran in Bedford Road.
Experts are examining a number of gas appliances in the property.
More top news
Bob has the forecast for Devon, Cornwall, Somerset and Dorset
Bob has the forecast for Bristol, Wiltshire, Gloucestershire, Somerset and Dorset
Chris Dawson started off as a market trader in Plymouth, but now he runs The Range, with 88 stores and a workforce of more than 2,500.