Ntare V returned to Burundi in March 1972. Soon afterwards the Hutus began an uprising against the government and established the short-lived state of Martyazo. Uganda’s president, Idi Amin, claimed he received a written guarantee from President Micombero that Ntare could return to Burundi and live there as a private citizen. Using the helicopter at his disposal from the Uganda chief of state, Ntare arrived where he and his ancestors had ruled as kings. Within a few hours he was put under house arrest in the former palace in Gitega. Soon after, an official radio broadcast proclaimed that Ntare was trying to instigate a mercenary invasion of Burundi to take back rule. Some ministers favored keeping him under restricted protection in Gitega, while others wanted him dead. The situation was unofficially resolved when Ntare was assassinated sometime between Saturday evening, April 29, and the following morning, under circumstances which remain unclear.