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.

North Korean leader Kim Jong Un supervised a test of a short-range ballistic missile and long-range artillery on Thursday and stressed the importance of combat readiness of the country's nuclear forces,