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.