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After hundreds of thousands of football fans poured into South Africa to attend the World Cup, human traffickers have used the tournament to boost their profits.

Many of the traffickers' victims are desperate children trying to escape a life of poverty in neighbouring countries.

Haru Mutasa reports from the South African city of Johannesburg on the influx of exploited children.

Secret footage obtained by Al Jazeera shows how easy it is to buy a person there.

Source: Al Jazeera