Here is everything we know so far:
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 collapsed Photo: Simon Hulme
2.
A man and a woman were seriously injured when debris from the roof fell into a bedroom. Photo: Simon Hulme
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
4.
The family next door are being supported by authorities and will be rehoused after their home was badly damaged. They were uninjured Photo: Simon Hulme
5.
Road closures are in place as structural engineers and fire crews work to make the building safe. Photo: Simon Hulme
6.
West Yorkshire Police have launched a full investigation into the collapse with Bradford Council. Photo: Simon Hulme