Us president Donald Trump's warned North Korea to expect fire and fury if it threatens America.
Earlier, Pyongyang declared it was ready to give Washington a 'severe lesson' with a strategic nuclear force response to any US military action.
According to Japan and America the rogue nation may have figured out how to mount a miniature nuclear warhead into its missiles which can reportedly be launched internationally.
"North Korea best not make any more threats to the United States. They will be met with fire and fury like the world has never seen," Trump told reporters at the Trump National Golf Club in New Jersey.
Watch the full rant HERE: