The Belgians considered one tribe superior to the other, but the majority Hutu took power away from the minority Tutsi, who had had power under colonial rule.
This event was worsened by the mobilization of the Interahamwe, who got together after the death of Juvenal Habyarimana, whose plane was shot down above the capital. Pasteur Bizumungu took over as president after the event, while most Cabinet posts were given to the RPF, which had been formed by refugees in a neighboring country. Tensions had existed for a long time previous, with the two major entities involved having race riots that ended with 20,000 killed in 1959, and independence was given to the nation involved by Belgium (*) in 1962. The Belgians considered one tribe superior to the other, but the majority Hutu took power away from the minority Tutsi, who had had power under colonial rule. FTP, name this 1994 massacre of the Tutsi in an African nation with capital at Kigali. 
This event was worsened by the mobilization of the Interahamwe, who got together after the death of Juvenal Habyarimana, whose plane was shot down above the capital.
{Rwandan genocide} (accept equivalents)