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
Security is to be enhanced around Windsor Castle during the Changing Of The Guard following the Westminster terror attack.
A cloudy start to the day with top temperatures of 18C (64F).
Immigration levels may need to rise, David Davis has said as he refused to commit to a cap on the number of EU citizens coming to the UK.