North Korea fired a ballistic missile that passed over Japan early Tuesday local time, Prime Minister Shinzo Abe told reporters.
A South Korean military official told NBC News that the missile was fired around 5:57 a.m. local time on Tuesday. The official said that the missile flew for about 2,700 kilometers (1,678 miles), reaching a maximum altitude of 550 kilometers (342 miles). U.S. Pacific Command projected that the missile splashed down at 6:29 a.m. local time.
Later Tuesday, Abe said the missile was an unprecedented, serious and grave threat to Japan. The Japanese prime minister said he would ask the United Nations to up the pressure on Pyongyang.
—CNBC's Christine Wang contributed to this report.