North Korea's foreign ministry vowed the "toughest counteraction" against the United States as long as Washington "refuses" the country's sovereignty.

North Korea conducted a test of strategic cruise missiles from the sea, overseen by Kim Jong Un, KCNA reports. North Korea conducted a test of strategic cruise missiles from the sea on Saturday. This information was reported by the North Korean agency KCNA on Sunday morning local time.

North Korea says it tested a cruise missile system, its third known weapons display this year, and vowed “the toughest” response to what it called the escalation of U.S.