Kim Yo Jong Issues Dire Warning To U.S., Says ‘Foolish Act’ Could Provoke North Korea | Details

North Korean Leader Kim Jong Un's sister has warned the U.S. against any 'foolish act'. Kim Yo Jong said the U.S.' actions could put its security at risk. Her remarks come after Washington raised concern about Pyongyang's ballistic missile test. The U.S. said it would be no surprise if Pyongyang conducts another nuclear test. Watch the video for more.