Hundreds of African migrants were stranded in dire conditions in a desert area of southern Tunisia on Thursday after being expelled from the port city of Sfax, Racial tensions flared this week into violence targeting migrants from sub-Saharan African countries, with dozens fleeing the city or being forcibly evicted. The unrest erupted after the funeral of a 41-year-old Tunisian man who was stabbed to death Monday in Sfax in an altercation between locals and migrants. For more on the volatile situation in Sfax, FRANCE 24's Mark Owen is joined by freelance journalist Simon Speakman Cordall.