In latest test, North Korea detonates its most powerful nuclear device yet In latest test, North Korea detonates its most powerful nuclear device yet Washington Post Kim inspects ‘nuclear warhead’: A picture decoded BBC News North Korea Says it Tested Hydrogen Bomb That Can Fit on ICMB NBCNews.com North Korea celebrates supposed hydrogen bomb test after 6.3-magnitude earthquake shakes peninsula New York Daily News North Korea detonates sixth and most powerful nuclear test Telegraph.co.uk Full coverage 3 SEP 0