South Korea raises its surveillance alert of North Korea after the reclusive state moves one or more long-range missiles in readiness for a possible launch.
South Koreans protest against North Korea amid fears Pyongyang has moved one or more mid range missiles and could be set to launch.
Japan has readied its ballistic missile defense systems as Pyongyang's threats of war become more bellicose.
South Korean lawmakers are urging Pyongyang to resume operations and let workers back in.
But despite the escalating tensions, most analysts don't expect a full blown war to break out.