WHITE HOUSE -- President Bush says whether or not North Korea conducted a nuclear test, just the fact that it's claiming to have done so poses a threat to global peace and security.
And he's denouncing North Korea's action as "unacceptable." He says it "deserves an immediate response" from the UN Security Council, which is meeting Monday.
Delivering a statement at the White House, Bush said, "Once again, North Korea has defied the will of the international community, and the international community will respond."
Bush said the US is still trying to confirm that a nuclear test has actually taken place.
Bush says he's made calls to the leaders of South Korea, China, Russia and Japan. And he says they all reaffirmed a commitment to a nuclear-free Korean peninsula.
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