Seoul's Joint Chiefs of Staff (JCS) also said Monday that more than 1,000 North Korean soldiers have been killed or wounded.

North Korea has supplied Russia with thousands of troops to fight against Ukraine, intelligence officials said, but old footage that has resurfaced on social media does not show the funeral of a general deployed by Pyongyang to lead its troops in the ongoing invasion.

As Russia's war in Ukraine grinds on, its reliance on foreign artillery systems exposes the cracks in its military supply chain. Also read Russian Soldiers Criticize North Korean Rifle: "This Weapon Is Strange" Recent reports confirm that North Korea has stepped in to address Russia’s artillery shortages.