North Korea defectors who lived near nuclear test site show possible radiation exposure, South Korea says

North Korea defectors who lived near nuclear test site show possible radiation exposure, South Korea says  Fox News Anthrax in defector raises new fears North Korea is developing biological weapons  USA TODAY North Koreans From Nuclear Site Area Show Signs of Radiation Exposure in Their Chromosomes  Newsweek Second coldest winter since Korean war for South Korea: Korea Herald columnist  The Straits Times How serious is the North Korean anthrax threat?  CNNFull coverage