Japan moved into an alert posture on Sunday, September 20, after North Korea launched a 'suspected ballistic missile' toward the East sea of the Korean Peninsula (Sea of Japan). Japan’s defense ministry said the projectile appeared to be a ballistic missile. South Korea’s defense ministry separately reported that North Korea had fired an unidentified projectile, while Japanese public broadcaster NHK reported that the missile came down outside Japan’s exclusive economic zone.
Japan’s Prime Minister’s Office posted an emergency alert on X saying North Korea had launched a suspected ballistic missile and that further updates would follow.