South Korea’s spy agency said Thursday that North Korea appears to have sent additional troops to Russia, after its soldiers deployed on the Russian-Ukraine fronts suffered heavy casualties. The National Intelligence Service said in a brief statement it was trying to determine exactly how many more troops North Korea has

Ukrainian troops holding positions in Kursk say the North Koreans have reappeared on the battlefield and become even more formidable foes.

On Monday, the U.S. joined North Korea, Iran and 15 other countries in voting against a U.N. General Assembly resolution drafted by Ukraine that blamed Russia for the “devastating and long-lasting” war; the resolution passed with 93 votes in favor.