<prompt> Pedzisa mutsara unotevera: Muna May 1997, kushanya kwaSassou Nguesso kuOwando, nhare yezvematongerwe enyika yaYhombi-Opango, kwakatungamirira kukubuda kwechisimba pakati pevatsigiri vake nevaya vaYhombi-Opango. Musi wa 5 Chikumi 1997, mauto ehurumende akakomberedza musha waSassou Nguesso muchikamu cheMpila cheBrazzaville, achiedza kusunga varume vaviri, Pierre Aboya naEngobo Bonaventure, avo vakanga vabatanidzwa mumhirizhonga yapfuura. Kurwisana kwakatanga pakati pemasimba ehurumende nevarwi vaSassou Nguesso, vanonzi maCobras, uye kwakatungamirira kukubuda kwe  <response>: hondo yevagari vemo yechipiri. 