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Methody College Belfast student introduces US First Lady

17 June 2013 Last updated at 11:14 BST

Hannah Nelson, a 16-year-old, introduces the First Lady of the United States, Michelle Obama.

Speaking to invited guests at Belfast's Waterfront Hall, Hannah said that "for peace to be a reality, we all need to take responsibility".

The Methodist College Belfast student then welcomed Mrs Obama, to a massive cheer.