Photo taken on Sept. 10, 2016 shows incineration site of spoiled wheat flour at the Tori-Avame landfill site, 30 kilometers north of Cotonou, Benin. Three people were killed and some 60 others injured in an explosion Thursday at a waste-burning site in Benin's largest city Cotonou, the country's health minister Seydou Alassane said Friday. (Xinhua)