SK have threatened to strike 1st if NK continue testing nukes so obviously they are worried by them.
http://rt.com/news/south-korea-first-strike-806/
Russians say it was between 10 and 20 kilotons and that was in 09.
http://www.guardian.co.uk/world/2009/may/25/north-korea-hiroshima-nuclear-test
http://rt.com/news/south-korea-first-strike-806/
Russians say it was between 10 and 20 kilotons and that was in 09.
http://www.guardian.co.uk/world/2009/may/25/north-korea-hiroshima-nuclear-test

