N. Korea's heir-apparent Kim Jong-un visits China: source

BEIJING, May 20 (Yonhap) -- North Korean leader Kim Jong-il's heir-apparent son, Kim Jong-un, has been confirmed to be visiting China, a source in a Chinese border city said Friday. The junior Kim arrived in Tumen, in the northeastern Chinese province of Jilin, early Friday morning, but his next destination has yet to be confirmed, said the source