The launch is part of a record-breaking blitz in recent weeks that Pyongyang says is a response to Washington's moves to bolster its protection of regional security allies

Following talks in Tokyo, three nations' deputy foreign ministers say they will ramp up their deterrence in region amid blitz of missile launches from the hermit state

South Korea's presidential national security team holds emergency conference, urges return to talks to resolve tensions; Japan says continued rocket testing 'regrettable'

South Korean officials express 'deep regret' over test firing; Japan lodges 'strong protest' through diplomatic channels