The founder of a school for orphaned children in Nigeria has won a top United Nations award. The UNHCR’s Nansen Refugee Award honours people who dedicate their lives to helping victims of war.
Zannah Mustapha has helped children whose parents were killed by the armed group Boko Haram. He also helped secure the deal to release schoolgirls held by the armed group. Al Jazeera's Catherine Soi reports from Maiduguri in northeastern Nigeria.