Ukrainian forces described a different kind of enemy, fighting with unfamiliar tactics and little option to retreat.

The North Korean army will participate in the May parade in Moscow on the occasion of Victory Day, reports the Japanese broadcaster NHK. North Korean soldiers will march through Red Square in Moscow during the parade on May 9.

North Korea is gaining crucial military experience and equipment by sending troops to Russia, a U.S. official warned the United Nations, making the regime a growing threat to neighboring countries.

A lone North Korean soldier who survived an intense battle against Ukrainian soldiers in Russia’s Kursk region chose to blow himself up rather than allow himself to be captured, Kyiv

The United States warned on Wednesday that North Korea is benefiting from its troops fighting alongside Russia against Ukraine, gaining experience that makes Pyongyang "more capable of waging war against its neighbors.

"I didn't even know who we were fighting against," the captured soldier from Pyongyang told Ukraine's Security Service.

Soldiers of the 8th Regiment of Ukraine's Special Operations Forces resisted an assault of North Korean soldiers in Russia’s Kursk Oblast for eight hours, killing 21 and wounding 40, the unit said on Jan.

According to Ukrainian President Volodymyr Zelensky, North Korean soldiers were transported to Russian territory by ferry, then by train, and kept in total isolation as far as information was concerned.

Videos of captured North Korean troops posted online by Ukrainian President Zelensky show them admitting that they thought they were being sent on an exercise.

A wounded North Korean soldier captured by Ukrainian forces in Russia's Kursk region earlier this month told interrogators that Pyongyang's troops fighting for Moscow are suffering major losses. Ukraine said last week that it captured two North Korean soldiers in the border region and posted videos of their interrogation,