The victims of a house fire in North Wingfield, Derbyshire, have been named by police as Claire James, 27, Josie Leighton, 32, Tyler Green, 9, and Jordan Green, 12.
Derbyshire Police say Claire James and Josie Leighton died at the scene. The boys - Tyler and Jordan - were later pronounced dead at hospital.
A seven-year-old girl was taken to hospital following the fire, suffering from minor smoke inhalation. Police say she has since been discharged.
A joint investigation by the police and fire service continues.
More top news
A hitchhiking robot that won the hearts of fans worldwide has met an untimely end after being vandalised on its trip across the US.
Rules could be changed to remove support for failed asylum seekers living in Britain with their families, a Home Office minister has said.
More than 50 dog surfers of all breeds and sizes joined an annual dog surfing competition in California