N. Korean troops in Russia haven't engaged in full-fledged combat: Pre… ArirangNews 0 23 11.07 00:18 https://www.youtube.com/watch?v=7JmHI_NxxGQ + 3 https://www.youtube.com/feeds/videos.xml?channel_id=UCzznO4xSV8BKnUBPy… + 3 N. Korean troops in Russia haven't engaged in full-fledged combat: Presidential official