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

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,

Foreign Minister Sergey Lavrov arrived in the eastern North Korean city of Wonsan on Friday to hold talks with his North Korean counterpart, Choe Son Hui