North Korean leader Kim Jong-un has thanked "Comrade" Vladimir Putin for his support of Pyongyang as the two countries continue to strengthen relations. Kim made the comments as he visited the Russian Embassy in Pyongyang following Russia 's Victory Day parade on Friday/

North Korean leader Kim Jong Un made a rare visit to Russia's embassy in Pyongyang with his daughter on Friday and reaffirmed "the invincible alliance" between the two countries, while Russia's leader greeted North Korean generals in Moscow.

North Korean supreme leader Kim Jong Un is pushing for an increase in artillery shell production amid the country's support for Russia's conflict in Ukraine. South Korea and Japan have pointed fingers at North Korea for potentially supplying missiles to Russia after a series of rocket tests over the Sea of Japan.