Excerpt:
A Selsdon school prefect has received praise from Prime Minister David Cameron for her work raising awareness of a "barbaric" practice.
Katie Tomsett this week organised a conference at her school, Croydon High, about female genital mutilation, which was attended by world-leading experts on the issue.
The Advertiser recently discovered more than 140 women had been treated for FGM between 2010 and 2013 at Croydon University Hospital, although experts say thousands more girls in Croydon are at risk.