North Korea's Kim Jong Un vowed to implement the "toughest" anti-U.S. policy, less than a month before Donald Trump takes office as U.S. president.

North Korean leader Kim Jong Un declared at a key ruling party meeting that the country will adopt "the toughest anti-U.S. counteraction" strategy, state-run media reported Sunday. The United States "is the most reactionary state that regards anti-communism as its invariable state policy,

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,