The Latest Breaking News from KCNA

North Korea unveiled new, smaller nuclear warheads and vowed to produce more weapons-grade nuclear material to expand its arsenal, state media said on Tuesday, as a U.S. aircraft carrier arrived in South Korea for military drills.

SEOUL, South Korea — North Korean leader Kim Jong Un oversaw tests of weapons designed to deliver nuclear strikes against the U.S. and its allies, including one his regime billed as a new underwater drone that can create a “radioactive tsunami.”

Military tensions are at a high point as the pace of both North Korean weapons tests and US-South Korea joint military exercises has accelerated in the past year in a cycle of tit-for-tat responses

North Korea has claimed to have tested a nuclear-capable underwater drone designed to generate a gigantic “radioactive tsunami” that could destroy naval forces or ports.

North Korea claimed Friday to have tested a nuclear-capable underwater drone designed to generate a gigantic “radioactive tsunami” that would destroy naval strike groups and ports. Analysts were skeptical that the device presents a major new threat, but the test underlines the North's commitment to raising nuclear threats. The test…

Pyongyang has ramped up its weapons demonstrations in recent months in response to military exercises between the United States and its ally South Korea, leading to increased nuclear tensions

Dubbed "Haeil", or tsunami, North Korea's new drone system is intended to make sneak attacks in enemy waters and destroy naval strike groups.

Drone cruised underwater for 59 hours, then detonated in an exercise designed to deter S Korea and US forces: KCNA.

North Korea said Friday its latest cruise missile launches this week were part of nuclear attack simulations that also included a test of a purported underwater nuclear attack drone

North Korea has tested a new nuclear-capable underwater attack drone, state media reported on Friday, as leader Kim Jong Un warned joint military drills by South Korea and the U.S. should stop.

The claimed mass sign-ups supposedly came after Kim Jong-un's North Korea shot dozens of long and short-range missiles into the seas near Japan and South Korea - both countries which Pyongyang considers its enemies