US, South Korea and Japan urge stronger international push to curb North Korean nuclear program

[Collection]The national security advisers of the United States, South Korea, and Japan called for a stronger international push to suppress North Korea's development of nuclear weapons and missiles and its military cooperation with other countries. Tensions on the Korean Peninsula are high, with North Korean leader Kim Jong Un accelerating the expansion of his nuclear and missile program. The US, South Korea, and Japan have increased their trilateral security cooperation and military exercises.