 On April 6, 1994, a plane carrying then-President Juvenal Habyarimana, and Cyprien Ntaryamira of Burundi was shot down, killing everyone on board.The Hutu held the RPF accountable and immediately began the genocide, targeted at both Tutsis and Hutu moderates.Most of the killing during the Rwandan genocide was carried out by the radical Hutu groups known as the Interahamwe and the Impuzamugambi.