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.
More top news
Kim Dick spoke about her fears as she comforted a young Manchester Arena victim as she waited anxiously for news of her own family.
"Nobody does it better", the current James Bond Daniel Craig said in a tribute to his predecessor.
Thousands of troops could be sent out to protect key sites and events after the Manchester attack. Here's everything you need to know.