Update: Operation of Unit 6 at Kashiwazaki Kariwa nuclear power plant in Japan’s Niigata Prefecture was suspended Thursday morning after its initial restart on the evening of Wednesday, January 21. According to TEPCO spokesperson Takashi Kobayashi, an alarm sounded “during reactor start-up procedures.” The cause is currently under investigation, but there is no danger inside or outside the plant. Plant chief Takeyuki Inagaki said at a news conference, “The equipment is essential to safe operation, and we will examine it inside-out.”