Reaction as North Korea Says It Successfully Tested First Hydrogen Bomb [Getty Images]

A man watches a television screen showing a news broadcast on North Korea's nuclear test at Seoul Station in Seoul, South Korea, on Wednesday, Jan. 6, 2016. North Korea said it successfully tested its first hydrogen bomb, the fourth time it has detonated a nuclear device and a move that reignites tensions with neighbors including China after months of calm. Photographer: SeongJoon Cho/Bloomberg via Getty Images

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