Profounding Destabilizing News Today

>> so were waiting for this i think the isotopic signature to totally know what this was. bottom line, based upon what you know, do you think this is real or a hoax? >> we overall would tend to agree with the white house. for the moment, we dont believe that -- we believe north korea is actually possibly bluffing about having an h-bomb. and the reason for that is simple. when were talking about h-bombs, we commonly refer to a very specific type of nuclear weapon. were referring to a two-stage fi...

Continuing the work necessary to learn more about the nuclear test that north korea conducted last night. >> now, there is still some concerns josh earnest also said president obama would soon coordinate a response to these claims with east asian allies and the u.n. security council today held an emergency meeting, secretary-general ban ki-moon calling the test profounding destabilizing for regional security. with me now, cnns tom foreman. tom, this would be the self-reported nuclear test, a for...

Moment, through satellite imagery, is that i was able to determine that the test probably was not undertaken using the east portal, which has been closed for several years now. thats where they undertook the 2006 test. but theres a lot of activity or signatures relating to activity such as movement of trucks, cars and personnel at the other two portals at the pung ary site. were talking about the west portal and southportal. so we have been up all night and we have been working all day. we will ...

Breaking news. north korea is claiming it has, quote, successfully detonated its first hydrogen bomb. we have pictures here. these is south korea watching news reports on this test. if true, it this would be the most powerful warhead kim jong-un has ever tested. but the white house calling his bluff. >> this is a serious subject. the initial analysis thats been conducted of the events that were reported overnight is not consistent with north korean claims of a successful hydrogen bomb test. ther...