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S Korea uses North's flag in military exercise

25 June 2012 Last updated at 15:49 BST

North Korea has reacted angrily to the use of its national flag during live fire exercises by South Korea.

The exercises, carried out last week with US forces, were the largest staged in nearly 60 years.

The resulting spat has drawn defiant statements from both sides of the Korean Peninsula.

The BBC's correspondent in Seoul, Lucy Williamson, reports.