The Health and Safety Executive has launched an investigation at the Tremarle Home Park in Camborne, Cornwall after three people and a dog died from suspected carbon monoxide poisoning.
Carbon monoxide has no taste, smell or colour. The Gas Safe Register says that the most common cause of carbon monoxide poisoning results from badly fitted or faulty appliances.
More top news
The West Midlands Police area had more than double the national average of gun crimes between 2015 and 2016.
Ninety-six-year-old Jim Booth was attacked by cold caller Joseph Isaacs at his Taunton home.
Cyclone Mekunu is now heading towards Oman.