North Korea has unveiled for the first time what it says is a nuclear-powered submarine under construction, a weapons system that can pose a major security threat to South Korea and the US.

KIM Jong-un has unveiled North Korea’s first nuclear-powered submarine which could strike the West with nuke missiles. Pictures released by the state media – known to be Kim’s

Kim Jong Un was pictured on Saturday inspecting North Korea's first nuclear-powered submarine, which experts say poses a major risk to the United States and South Korea.

SEOUL, South Korea — North Korea unveiled for the first time a nuclear-powered submarine under construction, a weapons system that can pose a major security threat to South Korea and the U.S.

North Korea fired multiple ballistic missiles on Monday, hours after condemning the South Korean and U.S. militaries for launching drills that Pyongyang called a "dangerous provocative act" that risked accidentally sparking a confrontation.

North Korea fired several ballistic missiles into the sea after South Korean and U.S. troops began their large annual combined drills, Seoul said.