A total of 3,800 North Korean soldiers have been killed or wounded by Ukrainian forces in Russia's Kursk Oblast, President Volodymyr Zelensky said in an interview with American podcaster Lex Fridman on Jan.

The president noted that Russian dictator Vladimir Putin is “not just maintaining his investments in aggression but doubling them.” Read also: Captured Russian marine exposes North Korean troop wipeout in Kursk Oblast - video “He has even started hiring soldiers from North Korea to continue this war.

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.