North Korea tested a new underwater nuclear weapon earlier this week capable of spawning a "radioactive tsunami" and stealthily attacking enemies, Pyongyang's state media said Friday. Separately, the North also conducted a cruise missile drill using missiles "tipped with a test warhead simulating a nuclear warhead" as it slammed the combined military exercises between South Korea and the United States as an "actual drill" for "occupying" Pyongyang, ac Read this story