SEOUL (Reuters) -Russian Foreign Minister Sergei Lavrov met North Korean leader Kim Jong Un in the coastal city of Wonsan on Saturday, where he described the two nations' relations as "an invincible fighting brotherhood",

Lavrov cited North Korean troop presence in Russia's Kursk region as proof of an "invincible brotherhood," noting Kremlin forces have largely repelled Ukraine's surprise incursion from last year

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