 In 2008, the tribunal of the 15-nation Southern African Development Community (SADC) accused Zimbabwean President Robert Mugabe of having a racist attitude towards white people.The mass demonstrations and riots against African students in Nanjing, China, lasted from December 1988 to January 1989.Bar owners in central Beijing had been forced by the police "not to serve black people or Mongolians" during the 2008 Summer Olympics, as the police associated these ethnic groups with illegal prostitution and drug trafficking.