Hutu Rwanda, this led to the "Social revolution" and Hutu violence against Tutsis. Tens of thousands of Tutsis were killed and many others fled to neighboring countries, such as Burundi, Uganda and expanding the Banyamulenge Tutsi ethnic group in the South Kivu region of the Belgian Congo. Later, exiled Tutsis from Burundi invaded Rwanda, prompting Rwanda to close its border with Burundi. In Burundi, a campaign of genocide was conducted against Hutu population in 1972, and an estimated 100,000 Hutus died. In 1993, Burundi's first democratically elected president, Melchior Ndadaye, who was Hutu, was believed to be assassinated by Tutsi officers,
Rwandan genocide remember is that there was a genocide. There was an attempt to eliminate Tutsis – men, women, and children – and to erase any memory of their existence." Out of a population of 7.3 million people, 84% of whom were Hutu, 15% Tutsi and 1% Twa, the official figures published by the Rwandan government estimated the number of victims of the genocide to be 1,070,014 in 100 days. It is estimated that about 300,000 Tutsi survived the genocide. Thousands of widows, many of whom were subjected to rape, are now HIV-positive. There were about 400,000 orphans and nearly 85,000 of