Nuclear energy chiefs have unveiled an Emergency Response Centre at Sizewell in Suffolk.
The £180 million project will become fully operational in March.
It will enable operators to control the station remotely, in the event of a major emergency.
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A dull start with mist and fog then gradually clearing, although some eastern coastal districts may remain cloudy, misty and rather cool.
Clear skies for a time tonight before low cloud, mist and fog returns
Govia Thameslink has taken over services on First Capital Connect routes promising more trains and better punctuality.