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North Korea: Is leader Kim Jong-un preparing for war?

11 April 2013 Last updated at 22:47 BST

North Korea has once again ramped up its warlike rhetoric as it threatens to launch an attack on enemy strongholds.

In the capital, Pyongyang, people were celebrating the first anniversary of their 30-year-old leader Kim Jong-un but the country's true intentions remain a mystery.

Rupert Wingfield-Hayes reports from Seoul.

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