Mali's main student union accused of violence on campus

In Mali, a student union founded in 1990 was originally set up to improve campus facilities, but today it's seen as a largely corrupt body that's behind deadly clashes. The Organisation for Students in Mali (OSM) is also accused of putting pressure on teachers and university management. Government funding has been suspended as a result, but current members of the organisation say the controversy stems from just a few bad apples in the group. Our Bamako correspondent Anne-Fleur Lespiaut reports.