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 tests of short-range ballistic missile systems that simulated nuclear counterstrikes against U.S. and South Korean forces.

North Korea launched a series of short-range ballistic missiles during a nuclear counterstrike drill overseen by leader Kim Jong Un, in what state media said was a response to recent nuclear exercises by the United States and South Korea.