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.

Seoul: North Korea announced Sunday that it had tested a cruise missile system, marking its third weapons display this year. The move comes as North Korea vows "the toughest" response to U.S.-South Korean military drills, which it deems a threat.

SEOUL: North Korea conducted on Saturday a strategic cruise missile test, state media KCNA reported on Sunday. The country's leader Kim Jong Un oversaw the test, according to the report, which described it as a test-fire of an "important weapon system.