Video published by Ukraine allegedly shows North Korean soldiers in Russia The Associated PressSouth Korea says at least 1,500 North Korean special forces troops are in Russia The Washington PostAre North Korean troops fighting for Russia against Ukraine? Al Jazeera EnglishUkraine says North Korean troop involvement is ‘huge’ escalation risk Reuters UKUS Lawmaker: North Korean Troops Fighting for Russia Would Cross ‘Red Line’ Newsweek