The US deployed a B-52 bomber on a low-level flight over its ally South Korea on Sunday, a show of force following North Korea's nuclear test last week. North Korean leader Kim Jong Un maintained that Wednesday's test was of a hydrogen bomb and said it was a self-defensive step against a US threat of nuclear war. North Korea's fourth nuclear test angered both China, its main ally, and the US, although the US government and weapons experts doubt the North's claim that the device was a hydrogen bomb. Read more http://www.businessinsider.com/the-...after-north-koreas-latest-nuclear-test-2016-1