N. Korean troops in Russia haven't engaged in full-fledged combat: Pre… ArirangNews 0 12 14시간전 https://www.youtube.com/watch?v=7JmHI_NxxGQ + 0 https://www.youtube.com/feeds/videos.xml?channel_id=UCzznO4xSV8BKnUBPy… + 0 N. Korean troops in Russia haven't engaged in full-fledged combat: Presidential official