North Korea's nuclear test has gotten the attention of the United Nations Security Council, which will hold an emergency meeting this morning.
South Korea's U.N. Mission informed reporters early Tuesday that the closed-door meeting will begin at 9 a.m. South Korea joined the Security Council in January for a 2-year term and currently holds the council's rotating presidency.
South Korea's Foreign Minister is in New York to preside over a scheduled council meeting.
The underground explosion could take North Korea a big step closer to its goal of building a nuclear warhead small enough to be mounted on a long-range missile that could threaten the United States. It will also be seen as a direct message from young leader Kim Jong Un to the United States, Pyongyang's former wartime enemy.
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