South Korea, the U.S., and Japan conducted a trilateral naval exercise in response to North Korea's nuclear and missile threats.

South Korea, the United States and Japan jointly conducted naval drills in waters south of the Korean Peninsula on Sunday to bolster their defense posture against North Korea's evolving nuclear and missile threats,

The United States and South Korea have updated a bilateral security agreement to more effectively counter North Korea’s evolving nuclear and missile threats

South Korea, the United States and Japan jointly conducted naval drills in waters south of the Korean Peninsula on Sunday to bolster their defense posture against North Korea's evolving nuclear and missile threats,

North Korea has deployed heavy weapons and erected guard posts along the Demilitarized Zone ( DMZ) border that were demolished under the peace agreement five years ago, the South Korean defence ministry said on Monday.