The demonstration came as the United States, South Korea and Japan held combined military exercises in nearby waters.

North Korean leader Kim Jong Un called for the mass production of attack drones after Pyongyang accused Seoul of flying unmanned aerial vehicles in the airspace over its capital in what it called a “war provocation.

North Korean leader Kim Jong Un guided a test of suicide drones and ordered a mass production of the aerial weapon, saying the introduction of such drones around the world requires an urgent update of military theory,