South Korea’s spy agency said Friday a wounded North Korean soldier who was captured while fighting for Russia against Ukrainian forces has since died from his injuries, the Yonhap news agency reported.

One of those North Korean soldiers was captured alive by the Ukrainian army on Thursday, a South Korean intelligence source told AFP, adding that the location where he was seized was not known. Hours later,

The soldier is believed to be the first North Korean prisoner of war captured since Pyongyang deployed forces to support Russia's war in Ukraine. South Korea's National Intelligence Service said it had confirmed through an "allied intelligence agency" that the soldier had died from "serious injuries",