You're reading: Independent: Ukraine turns off reactor at its most powerful nuclear plant after ‘accident’

Ukraine shut down one of the six reactors in its most powerful nuclear power plant on Dec. 28 - for the second time in a month - because of an apparent electrical malfunction. The Zaporizhia nuclear plant's website insisted that radiation levels in the area remained normal after the sixth reactor was "disconnected from the grid by the generator's internal defence mechanism". 

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