The story

North Korea launched a long-range rocket Sunday in what U.S. and South Korean officials deemed a provocative act.

While the United States and South Korea confirmed the rocket launch, the payload of the rocket remained unclear. North Korea has said the rocket was to carry a satellite into space, but the United States, South Korea and other nations fear it could be a missile with a warhead attached.

"With this provocative act, North Korea has ignored its international obligations, rejected unequivocal calls for restraint, and further isolated itself from the community of nations," U.S. President Barack Obama said in a statement. Read full article »

CNN's Jie-Ae Sohn in Seoul, and Charlie Keyes and Elise Labott in Washington contributed to this report.

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