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The number of children who self-harm has increased by over 70% in two years, according to figures.

The Health and Social Care Information Centre found 6,500 children, most of them girls aged 10 to 14, had been treated after deliberately injuring themselves.

University graduate Charlie Cooker, 21, who began self-harming at 11, now works with people like herself.

She said self-harm was her way of "coping" with her parents' divorce.

This clip is originally from Drive on Monday 11 August 2014.