TOKYO, Nov 10 (Reuters) - Tohoku Electric Power Co. 9506.T shut a reactor at one of its nuclear plants on Saturday due to an unspecified problem that occurred when the unit was restarted after a regular inspection, Kyodo news agency reported.
A sharp rise in the hydrogen concentration in pipes for gaseous waste disposal prompted the emergency shutdown at the Onagawa nuclear power plant in Japan’s Miyagi Prefecture, the company said, according to Kyodo.
It said there was no radioactive leakage.
Kyodo did not say how long the shutdown was expected to last. (Writing by Sophie Hardach; Editing by Robert Woodward)
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