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

North Korean leader Kim Jong Un visited an unmanned aerial vehicle facility and ordered the "full-scale mass production" of new suicide attack drones, state media reported Friday, amid growing military cooperation between Pyongyang and Moscow.

SEOUL (Reuters) - North Korean leader Kim Jong Un guided a test of suicide drones and ordered a mass production of the aerial weapon, Yonhap news agency said on Friday. Your trusted source for the latest news delivered weekdays from the team at U.S. News and World Report.