Stories on this have been running off and on since Sep 3 when their last big underground test destabilized the area around the Punggye-ri facility. Even Fox News caught up with this news by Oct 13. http://www.foxnews.com/world/2017/10...perts-say.html
Ooops, another one of your talk tracks nuked. Shows you how much time I spend taking in Fox News (i.e., not much).