At least 40,000 black Mauritanians were thrown out of their country by their own government because of a border dispute between black Africans and Arabs.

Twenty-five years later, the Mauritanian refugees still live in Senegal, and are afraid to go back to their homeland because of racism.

Al Jazeera's Nicolas Haque reports from Rosso, on the Senegal-Mauritanian border.

Source: Al Jazeera