N. Korea test-fires upgraded version of 240mm multiple rocket launcher ArirangNews 0 79 08.28 14:21 https://www.youtube.com/watch?v=0roL2j_jbHw + 8 https://www.youtube.com/feeds/videos.xml?channel_id=UCzznO4xSV8BKnUBPy… + 15 N. Korea test-fires upgraded version of 240mm multiple rocket launcher