India, Jan. 23 -- The restart of the world's largest nuclear power plant was suspended on Thursday, only hours after it resumed for the first time since the 2011 Fukushima nuclear disaster. The restart of the Number 6 reactor at the Kashiwazaki-Kariwa plant in north-central Japan was suspended due to a glitch related to control rods, which are essential to safely starting up and shutting down reactors, according to its operator, Tokyo Electric Power Company Holdings(TEPCO).

TEPCO said there was no safety issue from the glitch and it was checking the situation. It was not known when the restart process would resume. The restart at the Kashiwazaki-Kariwa plant was being watched closely since TEPCO also runs the Fukushima Daiichi plant that...