Assassination of Juvénal Habyarimana and Cyprien Ntaryamira form a coalition government, ratification of the Arusha Accords was impossible. The most extreme of the Hutu parties, the CDR, which openly called for ethnic cleansing of the Tutsi, was entirely unrepresented in the Accords. The security situation deteriorated throughout 1993. Armed Hutu militias attacked Tutsis throughout the country, while high-ranking adherents of Hutu Power began to consider how the security forces might be turned to genocide. In February 1994, Roméo Dallaire, the head of the military force attached to the United Nations Assistance Mission for Rwanda (UNAMIR), which had been sent to observe the implementation of the Arusha Accords,
Burundi some Hutu felt this was unjust and ethnic tensions were further increased. In October 1965, an attempted coup d'état led by the Hutu-dominated police was carried out but failed. The Tutsi dominated army, then led by Tutsi officer Captain Michel Micombero purged Hutu from their ranks and carried out reprisal attacks which ultimately claimed the lives of up to 5,000 people in a precursor to the 1972 Burundian Genocide. King Mwambutsa, who had fled the country during the October coup of 1965, was deposed by a coup in July 1966 and his teenage son, Prince Ntare V, claimed the throne.