North Korea said Wednesday it had fired artillery shells off its east and west coasts the previous night to "send a serious warning" to South Korea, according to the country's official media, with Seoul saying that the firing resumed Wednesday afternoon.The South Korean military's Joint Chiefs of Staff said Pyongyang fired a total of some 250 artillery rounds from 10 p.m. Tuesday toward the Yellow Sea and the Sea of Japan, with an additional 100 shots fired from around 12:30 p.m. Wednesday into waters off the west coast.A spokesman for the General Staff of the Korean People's Army in North …READ FULL ARTICLE