The Atomic Weapons Establishment is due at Reading Magistrates Court later over a fire at its site at Aldermaston in Berkshire.
A worker received burns when the blaze broke out in August 2010. The company faces three charges brought by the Health and Safety Executive.
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Friday morning's forecast for the east of the region
Friday morning's forecast for the west of the region
Detectives have charged two men with the murder of Jason Martin-Smith in Hastings in 2001.