North and South Korean artillery batteries exchanged hundreds of shells across their western sea border Monday, a day after North Korea warned it was preparing to test another nuclear device.
About 100 of the 500 shells North Korea fired into the Yellow Sea strayed across the line separating the two rivals' territorial waters, the semiofficial South Korean news agency Yonhap reported. Yonhap quoted the South Korean Joint Chiefs of Staff as saying the South responded by firing about 300 shells into North Korean waters and dispatching fighter jets to the boundary, known as the Northern Limit Line.
North Korean offshore firing appeared to have resumed after a lull, Yonhap reported, citing a resident of Baekryong Island, which is close to the Northern Limit Line....