Witnesses have reported hearing a series of explosions at a industrial site in the Derbyshire town of Belper.
Pictures circulating on social media show billows of black smoke above the site.
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On Assignment meets the fishermen risking their lives every day to harvest goose barnacles which are almost worth their weight in gold.
The London Fire Brigade say they agree with Mary Berry that no households should have a deep fat fryer.
Building officials reportedly ordered occupants to evacuate after the fire broke out.