Putin during the call on Tuesday praised the “bravery, heroism and self-sacrificing spirit” displayed by North Korean troops as they fought with Russian forces to repel a Ukrainian incursion into Russia’s Kursk border region,

Russian President Vladimir Putin hailed North Korean troops sent to fight in Ukraine as "heroic" in a letter to Kim Jong Un, North Korean state media reported Friday.- 'Excellent soldiers' - The letter from Putin came alongside a visit by a Russian delegation to Pyongyang,