North Korean leader Kim Jong Un held a key policy-setting meeting of the country's ruling party last week ahead of the new year, state media KCNA reported on Sunday.

North Korea has declared its "toughest" counteraction strategy toward the United States during a key party meeting, asserting that the military cooperation among South Korea, the U.S. and Japan has expanded into an aggressive nuclear military bloc,

North Korean leader Kim Jong Un held a policy-setting key meeting of the country's ruling party last week ahead of the new year, state media KCNA reported on Sunday. The "strongest" response strategy towards the United States was declared during the party meeting for the country's safety and national interests,