Nathalie Walters from the Safe and Sound charity, tells ITV Central that child exploitation is "more widespread than perhaps what people may have thought."
This comes after a report found that 2,409 children and young people were confirmed victims of sexual exploitation between August 2010 and October 2011.
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West Midlands Weather: Another warm and dry night.
Dry overnight. Sunny spells tomorrow, with isolated heavy showers later.
The 43rd annual event saw dance troupes from across the country take to the streets of the city.