Excerpts from Books and Wikipedia
"Blaming the Tutsis for the assassination, the presidential guard began a massacre of Tutsis that spread out across the country from the capital." [Furtado: 1001 Days] The Tutsi, the cattle-owning ruling class, were 15% of the population. The Hutu majority were agriculturists and 85% of the population. [The Fate of Africa, p. 157-8]