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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Detectives investigating the murder of Valerie Graves have set up a mobile DNA screening unit in Bosham.
Wednesday morning's weather for the east of the region
Wednesday morning's weather for the west of the region