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Harry visits addicts in Brazil's 'crack land'

27 June 2014 Last updated at 06:11 BST

As part of his tour of South America, Prince Harry visited an area of Sao Paulo, known as 'crack land', where he learned about a government project to cut down on crack cocaine addiction.

According to recent figures, Brazil has surpassed the US as the biggest crack cocaine consumer in the world.

Katy Watson reports.