N. Korea completes preparations for seventh nuclear test: DIA ArirangNews 0 11 10.31 00:03 https://www.youtube.com/watch?v=pHz1uoJG4yI + 0 https://www.youtube.com/feeds/videos.xml?channel_id=UCzznO4xSV8BKnUBPy… + 0 N. Korea completes preparations for seventh nuclear test: DIA