In 1965, the Prime Minister Pierre Ngendandumwe, the right hand of Rwagasore in 1961 has also been assassinated to prevent him from enjoying his electoral rights, still under the instigation of the Belgians.
Mwaka 1965, Waziri Mkuu wa kwanza Pierre Ngendandumwe ambaye alikuwa kama kiongozi wa pili katika chama cha UPRONA mwaka 1961 baada ya RWAGASORE, naye pia aliuawa akifuatiwa na halaiki ya waliomuunga mkono katika chama cha UPRONA.