Investigation proceeds as key figures including President Yoon are ask… ArirangNews 0 16 12.16 18:57 https://www.youtube.com/watch?v=Ul0foqSU8Ws + 1 https://www.youtube.com/feeds/videos.xml?channel_id=UCzznO4xSV8BKnUBPy… + 1 Investigation proceeds as key figures including President Yoon are asked to appear for questioning