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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Cloudy with further outbreaks of rain, which are likely to become heavy at first. Staying generally dry after midnight.
Outbreaks of rain will slowly clear all but the far south by morning, where it could turn briefly heavy for a time.
Police in Nottingham are growing increasingly concerned for an 18-year-old girl who has been missing for four days.