TOKYO (AP) — Japan's public broadcaster mistakenly sent an alert Tuesday warning citizens of a North Korean missile launch and urging them to seek immediate shelter, then minutes later corrected it, days after a similar error in Hawaii.

NHK television issued the message on its internet and mobile news sites as well as on Twitter, saying North Korea appeared to have fired a missile at Japan. It said the government was telling people to evacuate and take shelter.

"North Korea appears to have fired a missile," NHK said, adding that a government warning had been issued. "The government: Seek shelt...