Excerpt:
Prime Minister David Cameron has invited two Bristol students to present a film about female genital mutilation (FGM) to an international summit.
Muna Hassan, 20, and her sister Ifrah, 19, produced the film with the charity Integrate Bristol as a teaching aid.
It presents the dilemma of a schoolgirl whose friend's sister is going to be cut and the issues faced by the teacher the schoolgirl confides in.