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.
Two women and two young children were killed in a house fire in north Derbyshire this morning, police have said.
A seven-year-old girl survived the blaze and was found outside the property with minor injuries consistent with smoke inhalation.
Chief inspector Rick Gooch from Derbyshire Police said it was a "tragic event" and specially trained officers are working with the affected family.
Residents of North Wingfield have expressed their sadness following the house fire near Chesterfield, Derbyshire, this morning.
Tributes have been paid to the victims of the house fire in North Wingfield near Chesterfield, this morning.
Our thoughts and sympathies are with the family and friends of those who lost their lives in the house fire in North Wingfield this morning.
We understand there has been a fire in which four people have tragically died. Our thoughts are with the family.
A third child is being treated in hospital for minor injuries after a house fire in Derbyshire which killed two adults and two children.
Police said they were called to the scene of a house fire on Williamthorpe Road, North Wingfield at 5am today.
Two adults and two children died as a result of the fire.
Police said a joint investigation into the cause of the fire would be carried out in conjunction with the fire service.
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Two adults and two children have been killed in a house fire near Chesterfield in Derbyshire. The blaze broke out at 5am today at a property in Williamthorpe Road, North Wingfield. A third child is currently in hospital being treated for minor injuries.
Police said a joint investigation into the cause of the fire will be carried out by the police and fire service. Williamthorpe Road will be closed for several hours and local diversions are in operation. Anyone who can help the inquiry should contact the police on 101.
Two adults and two children have died in a house fire in Derbyshire, police said.
Derbyshire Fire and Rescue service has advised people living near the factory fire in Belper that it is safe to open their windows following fears over fumes:
Derbyshire Fire and Rescue Service has reportedly begun an investigation with police into the cause of a fire that caused extensive damage at a former chocolate factory in Belper:
A spokesman told the Derby Telegraph:
All we know is there has been an explosion in the building.
We think it has been caused by a gas cylinder. At this point, we are waiting for an investigation unit to turn up to determine whether it was arson.
These investigations will be carried out in conjuction with the police. No-one has been injured but the building is 100% damaged.