１９５０年６月２５日凌晨４时，南北朝鲜的双方军队，在三八线上爆发了激烈的武装冲突。同日上午６时，朝鲜人民军大举反击，在飞机、坦克和重炮的掩护下，对瓮津、开城、议山、春川等地展开了猛烈的进攻，并在江陵以南施行两栖登陆。上午９时，守备瓮津、开城的南朝鲜步兵第 At 4:00 a.m. on June 25, 1950, the armed forces of the two Koreas in North and South Korea broke out a fierce armed clashes on the 38th parallel. At 6 a.m. on the same day, the Korean People’s Army held a large-scale counterattack and fiercely attacked Ungjin, Kaesong, Uijeong and Chuncheon under the cover of planes, tanks and heavy artillery and landed amphibiously on the south of Gangneung. At 9 a.m., they defended Ongjin and opened the south Korean infantry section of the city