A 'brutalist' electricity substation on Moore Street in Sheffield, was an important component of the radical post-war regeneration of the city which was badly bombed, English Heritage said.
The building, designed by Bryan Jefferson, has been listed at Grade II.
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A 25-year-old man has been arrested in Newport, South Wales, in connection with the Parsons Green terror attack, Scotland Yard said.
A milder night ahead with some cloud low enough to be misty in places.
Tata Steel and Thyssen Krupp will formally announce the merger of their European steel operations on Wednesday, ITV News understands.