North Korea says its leader Kim Jong Un oversaw tests of short-range ballistic missile systems that simulated nuclear strikes against US and South Korean forces. Kim told state media KCNA on Friday about the need to strengthen the role of his nuclear forces in both deterring and fighting war.

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,

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, state media said Friday, as the North continued to blame its rivals for escalating