North Korea has defied international warnings and gone ahead with a controversial rocket launch.
State media said North Korea had succeeded in putting a satellite into orbit after the 0230GMT launch.
They strongly condemned the launch. The US president told Pyongyang to "refrain from further provocative actions".
North Korea had "ignored its international obligations, rejected unequivocal calls for restraint, and further isolated itself from the community of nations", Barack Obama said in a written statement.
State media said North Korea had succeeded in putting a satellite into orbit after the 0230GMT launch.
They strongly condemned the launch. The US president told Pyongyang to "refrain from further provocative actions".
North Korea had "ignored its international obligations, rejected unequivocal calls for restraint, and further isolated itself from the community of nations", Barack Obama said in a written statement.
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