He came into office when the previous president , Cyprien Ntaryamira , was killed in a plane crash ( an assassination in which the Rwandan president Juvénal Habyarimana was also killed ) .
He came into office when the previous president , Cyprien Ntaryamira , was killed in a plane crash . It was an assassination in which the Rwandan president Juvénal Habyarimana was also killed .