North Korea claims to have tested a hydrogen bomb

North Korea claims that it tested a hydrogen bomb on Sunday, reports Reuters. If true, it represents a major escalation in the region, and highlights the growing sophistication of the nation’s nuclear arsenal.
The country’s state-run media announced the test of the “two stage thermonuclear weapon,” saying that it was a “complete success,” and has gone on to report that the bomb can be loaded onto an intercontinental ballistic missile. Officials with the United