North Korea's latest missile launch was seen as a worrying success that means much of the US mainland is now in reach of Pyongyang's missiles—but analysts have seen signs that not everything went according to plan.
Video shows that the mock warhead on the intercontinental ballistic missile apparently breaks up during re-entry, suggesting that North Korea has so far been unable to create a warhead capable of surviving the extreme heat of re-entry, the New York Times reports.