 On April 6, 1994, the airplane carrying Juvénal Habyarimana, the President of Rwanda, and Cyprien Ntaryamira, the Hutu President of Burundi, was shot down as it prepared to land at Kigali.Both presidents were killed when the plane crashed.Military and militia groups began rounding up and killing Tutsis "en masse", as well as political moderates irrespective of their ethnic backgrounds.