North Korean leader Kim Jong Un says he will implement the “toughest” anti-US policy, less than a month before Donald Trump takes office as US president.

Kim Jong Un has announced that North Korea has adopted the "toughest strategy" against the United States, South Korea, and Japan, according to the state's television network, KCNA, on Sunday. Kim Jong Un revealed the "change" in relations with Washington,

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