South Korea's military fired warning shots after it spotted an unidentified object flying from North Korea across the Demilitarized Zone that divides the two countries, according to the South Korean Joint Chiefs of Staff.
원문출처 : http://www.cnn.com/2017/05/23/asia/north-korea-projectile/index.html
원문출처 : http://www.cnn.com/2017/05/23/asia/north-korea-projectile/index.html