At least 37 people have been killed and dozens of others wounded in an attack on a convoy of a Canadian mining company in Burkina Faso, regional authorities say. The attack took place on Wednesday when “unidentified armed individuals” ambushed five buses carrying the employees of Canadian gold miner SEMAFO in eastern Burkina Faso. Saidou Sanou, the governor of the country’s eastern region of Est, said the convoy had been ...