Kim Jong Un Declares Korean War Is Back On By saying it had the right to shoot down American planes in international airspace, North Korea abrogated the Korean War armistice. http://www.thedailybeast.com/north-korea-declares-korean-war-is-back-on “Since the United States declared war on our country, we will have every right to make all self-defensive countermeasures, including the right to shoot down the United States strategic bombers at any time even when they are not yet inside the aerospace border of our country.” https://img.thedailybeast.com/image/upload/c_crop,d_placeholder_euli9k,h_1440,w_2559,x_0,y_0/dpr_2.0/c_limit,w_740/fl_lossy,q_auto/v1506648398/170928-chang-nkorea-tease_cw4nac