President Obama speaks at Hankuk University
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President Obama issues warning to nuclear North Korea

US President Barack Obama has issued a warning to North Korea and Iran over their nuclear programmes.

The comments came ahead of a world nuclear security summit in South Korea.

North Korea was accused of undermining security with its provocations and pursuit of atomic weapons.

Meanwhile Tehran was told that time was running out to resolve the standoff over its nuclear programme through diplomacy.

Lucy Williamson reports from Seoul

  • 26 Mar 2012
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