North Korea puts army on alert, warns U.S. of 'horrible disaster' | Reuters

The U.S. will be wholly accountable for the unexpected horrible disaster to be met by its imperialist aggression forces' nuclear strike means." NORTH KOREA

"Such comments from North Korea will do nothing to end (its) isolation or reduce the costs (it) pays for defying the international community." U.S.A

The U.S. has nothing to say but to complain, however, the threat to peace would cost the whole world as well.