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Cocoa farms in Ivory Coast still using child labour

10 November 2011 Last updated at 23:27 GMT

African cocoa farms are still employing hundreds of thousands of children, the BBC has discovered, 10 years after the world's leading chocolate companies promised to tackle child labour.

Ivory Coast is the world's biggest cocoa producer with as many as 800,000 children working in the industry, often in dangerous jobs.

Humphrey Hawksley reports from Ivory Coast.