"North Korea and South Korea have reportedly traded artillery fire Nov. 23 across the disputed Northern Limit Line (NLL) in the Yellow Sea to the west of the peninsula. Though details are still sketchy, South Korean news reports indicate that around 2:30 p.m. local time, North Korean artillery shells began landing in the waters around Yeonpyeongdo, one of the South Korean-controlled islands just south of the NLL." Read more: North Korean Artillery Attack on a Southern Island | STRATFOR