Bloody Kim massacres relatives

North Korea ruler Kim Jong-un has reportedly ordered that all blood relatives of his executed uncle be put to death, continuing an apparent purge of all he sees as threats to his reign.   South Korea's Yonhap News Agency, citing multiple sources, reported Sunday that "extensive executions" of relatives of Jang Song-thaek had been carried out.  "All relatives of Jang have been put to death, including even children," one source told Yonhap.  [source]