The U.S. warned North Korea that it is ready to fight if provoked, as Pyongyang claimed another weapons-development breakthrough following its launch of an intercontinental ballistic missile a day earlier.
The regime, having demonstrated its capacity to reach the U.S. with a missile, on Wednesday touted another achievement of the test launch: It claimed that its missile warhead—the forward section, which carries the explosive—can withstand the extreme heat and pressure of re-entering the earth’s atmosphere.
If true—the claim couldn’t be independently verified—that would clear another hurdle in developing a nuclear-tipped missile that can reach American cities.
As tensions between Washington
