Kim Jong Un visited troops who participated in the shelling of Yeonpyeong , state media reports . The North Korean leader was reportedly shown a video showing soldiers firing artillery shells at South Korea from their positions on the island and then lobbing grenades into residential areas as they fled to safety. Washington and Pyongyang have no diplomatic relations . The United States and South Korea are set to begin training exercises on Monday .
Kim Jong Un visited troops who participated in the shelling of Yeonpyeong , state media reports . The North Korean leader was reportedly shown a video showing soldiers firing artillery shells at South Korea from their positions on the island and then lobbing grenades into residential areas as they fled to safety. The United States and South Korea are set to begin training exercises on Monday .