The test was designed to warn "enemies, who are seriously violating the security environment of the (country) and fostering and escalating the confrontation environment" and to demonstrate "readiness of its various nuke operation means," the official Korean Central News Agency reported.

North Korean state media has reported the test-launch of strategic cruise missiles, supervised by leader Kim Jong Un. Such missiles are intended to deliver nuclear warheads. This was the fourth missile test this year and the second since U.