North Korea said Friday it tested earlier this week a new underwater nuclear attack drone it claims can generate radioactive tsunami to destroy enemy ships and ports, according to state-run media.Pyongyang also said it test-fired Wednesday four cruise missiles of two different types, with leader Kim Jong Un, who guided the military activities, warning South Korea and the United States that they should stop "reckless" anti-North Korea war drills, the official Korean Central News Agency said.Seoul and Washington jointly held the 11-day Freedom Shield exercise through Thursday, the first large…READ FULL ARTICLE