A house fire which killed two women and two young brothers is believed to have been started after an electrical fault, a fire service investigation found.
Jordan Green, 12, and his nine-year-old brother Tyler died with their mother Josie Leighton, 32, and her friend Claire James, 27, in the blaze in North Wingfield, near Chesterfield, on November 20.
In a statement, Derbyshire Fire and Rescue Service said: "Thorough investigations point to an accidental fire caused by a fault in electrical wiring between the ground and first floor of the property.
"Derbyshire Fire and Rescue Service would once again like to convey its thoughts and sympathy to the families of the deceased at this very distressing time."
More top news
The UK's French ambassador, Sylvie Bermann said the destruction of the Calais 'Jungle' will encourage refugees to seek asylum in France.
Beatty is the first American to win the prestigious literary prize for his satirical novel, The Sellout.
Engineers are exploring greener technologies to help reduce the carbon emissions as aviation continues to expand.