Grooming victims 'must be supported'
Sue Berelowitz, the deputy children's commissioner for England, says the quality of help for children who have been sexually exploited depends on where people live.
She told File on 4 that councils are getting better at identifying grooming, but they need to do more to help young people recover.
Listen to the full report on File on 4 on BBC Radio 4 on Tuesday, 11 June at 20:00 BST and Sunday, 16 June at 17:00 BST. Listen again via the Radio 4 website or the File on 4 download.