North Korean leader Kim Jong Un supervised missile tests that simulated nuclear counterstrikes against U.S. and South Korean forces, state media said on Friday. The tests of short-range ballistic missile systems from North Korea's eastern coastal city of Wonsan were detected by South Korea's military the day before.

North Korean leader Kim Jong Un supervised tests of short-range ballistic missile systems that simulated nuclear counterstrikes against U.S. and South Korean forces.

North Korean leader Kim Jong Un oversaw a test of short-range ballistic missiles and long-range artillery in a demonstration of Pyongyang's nuclear counterstrike capabilities, state-run media said Friday.