Armed North Korean soldiers patrol the banks of Yalu River near the North Korean town of Sinuiju, opposite the Chinese border city of Dandong, May 20, 2011. Confusion surrounded a North Korean visit to China on Friday, as media in the South said the North's leader Kim Jong-il had crossed the border, contradicting earlier reports that his son and heir apparent Kim Jong-un had travelled. REUTERS/Jacky Chen | North Korean Soldier Defects To South