(2nd LD) 10 S. Koreans, 1 Chinese killed in China bus plunge

(ATTN: ADDS quote in para 7, details; RECASTS first 2 paras) JIAN, China/BEIJING, July 2 (Yonhap) -- Ten South Koreans and one Chinese person have been killed in a bus plunge in northeastern China, officials said Thursday. The accident occurred a