Here is everything we know so far:
![Police, ambulance and fire crews were rushed to Knights Fold, Great Horton, at about 5am today to reports that the roof of a house had collapsed](https://www.derbyshiretimes.co.uk/webimg/QVNIMTE2ODAyNzA2.jpg?crop=3:2&trim=&width=640)
1.
Police, ambulance and fire crews were rushed to Knights Fold, Great Horton, at about 5am today to reports that the roof of a house had collapsedPhoto: Simon Hulme
![A man and a woman were seriously injured when debris from the roof fell into a bedroom.](https://www.derbyshiretimes.co.uk/webimg/QVNIMTE2ODAyNzA3.jpg?crop=3:2&trim=&width=640)
2.
A man and a woman were seriously injured when debris from the roof fell into a bedroom.Photo: Simon Hulme
![The 28-year-old woman was taken to hospital and is being treated for serious but non life threatening injuries. The 47-year-old man has died from his injuries.](https://www.derbyshiretimes.co.uk/webimg/QVNIMTE2ODAyNzA4.jpg?crop=3:2&trim=&width=640)
3.
The 28-year-old woman was taken to hospital and is being treated for serious but non life threatening injuries. The 47-year-old man has died from his injuries.Photo: Simon Hulme
![The family next door are being supported by authorities and will be rehoused after their home was badly damaged. They were uninjured](https://www.derbyshiretimes.co.uk/webimg/QVNIMTE2ODAyNzA5.jpg?crop=3:2&trim=&width=640)
4.
The family next door are being supported by authorities and will be rehoused after their home was badly damaged. They were uninjuredPhoto: Simon Hulme
![Road closures are in place as structural engineers and fire crews work to make the building safe.](https://www.derbyshiretimes.co.uk/webimg/QVNIMTE2ODAyNzEw.jpg?crop=3:2&trim=&width=640)
5.
Road closures are in place as structural engineers and fire crews work to make the building safe.Photo: Simon Hulme
![West Yorkshire Police have launched a full investigation into the collapse with Bradford Council.](https://www.derbyshiretimes.co.uk/webimg/QVNIMTE2ODAyNzEx.jpg?crop=3:2&trim=&width=640)
6.
West Yorkshire Police have launched a full investigation into the collapse with Bradford Council.Photo: Simon Hulme