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'Put children first' says Beckham

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Football legend David Beckham wants world leaders to do more to improve the lives of millions of children in need.

David is an ambassador for the charity Unicef and has travelled the world meeting the kids and families who have experienced natural disasters or have escaped war zones.

He says the current crisis with migrants and refugees trying to reach Europe is something that all countries need to do something about.

Watch what David has to say about helping children around the world...