Russia's foreign minister has warned the U.S., South Korea and Japan against forming a security partnership targeting North Korea.

The Russian minister of foreign affairs warned the US, South Korea and Japan against forming a security partnership targeting North Korea as he visited the ally country for talks on further solidifying their booming military and other cooperation.

North Korean leader Kim Jong Un told Russia's top diplomat his country was ready to "unconditionally support" Moscow's every effort to resolve the conflict in Ukraine, state media reported on Sunday,