Rwandan genocide force. In radio programs and other news, the Tutsis were portrayed as non-Christian, intent on reinstating the Tutsi monarchy and enslaving the Hutus. Many Hutu reacted to this prospect with extreme opposition. In the lead-up to the genocide, the number of machetes imported into Rwanda increased. On 6 April 1994, an aeroplane carrying Habyarimana and Burundian President Cyprien Ntaryamira was shot down on its descent into Kigali. At the time, the plane was in the airspace above Habyarimana's house. The assassination of Habyarimana ended the peace accords. Genocidal killings began the following day. Soldiers, police, and militia quickly executed key
Hutu of Rwandan national unity, but has been criticized as an attempt at historical revisionism. Still others suggest that the two groups are related but not identical, and that differences between them were exacerbated by Europeans, or by a gradual, natural split, as those who owned cattle became known as Tutsi and those who did not became Hutu. Mahmood Mamdani states that the Belgian colonial power designated people as Tutsi or Hutu on the basis of cattle ownership, physical measurements and church records. There is an ongoing debate as to whether the Hutu and Tutsi are really separate groups or not;