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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The father of a prisoner who electrocuted himself has welcomed the news specialist self-harm preventation training will be given to staff.
The Labour Party needs to accept the EU referendum result, and "move on", Justice Secretary Liz Truss has said.