Arms deals with Russia will pull North Korea's economy out of decline – DW

Russia uses North Korean munitions at front in Ukraine – Ukraine's intelligence

Military intelligence confirms Russia used North Korean shells in Ukraine

"Yes, we can confirm that if we are talking about artillery rounds, such cooperation between the two regimes is being documented. North Korea has already delivered a significant part of artillery rounds to Russia," military intelligence (HUR) spokesperson Andrii Yusov told Ukrinform.

Reuters: Russia likely driving revitalization of North Korean special economic zone

Although the overwhelming majority of North Korea's trade (97%) is with China, experts who spoke to Reuters believe that the recent increase in economic activity at the Special Economic Zone is likely due to Russia.

Seoul has proof Russia is using against Ukranie weapons supplied by North Korea

South Korea has long had confirmation that Moscow receives weapons from North Korea and uses them in its war against Ukraine. — Ukrinform.