North Korean leader Kim Jong Un warned his country has a policy of not hesitating to launch a nuclear strike on a rival if provoked. Kim’s latest statement came as he praised troops involved in its recent intercontinental ballistic missile test, state media reported Thursday.North Korean leader Kim Jong Un warned his country has a policy of not hesitating to launch a nuclear strike on a rival if provoked. Kim’s latest statement came as he praised troops involved in its recent intercontinental ballistic missile test, state media reported Thursday.