Nyorai mberi kweiyi ndima - Hwaro hwayo hwakaitika musi wa 2 Zvita 1978 muKratié Province pedyo nemuganhu neVietnam pamusangano wevanopikisa makumi manomwe vekuCambodia vakatsunga kupidigura hurumende yaPol Pot. Heng Samrin akasarudzwa somutungamiri wepamberi uye mukati memavhiki mashomanana simba rayo rakapararira zvikuru kumativi ose emuganhu. Hondo yacho yakanga iri sangano rezvematongerwe enyika nemauto reCambodian rakanga risina kuenzana iro rakaruramisa kupinda kweVietnam muCambodia
, kuchikurumidzira kukundwa kwakazotevera kweDemocratic Kampuchea yeKhmer Rouge. Kwakaunza hwaro hwerudzi rutsva runonzi 'People's Republic of Kampuchea' uye kuvakwazve kwenyika yakaparadzwa uye yakashaiwa zvikuru. Sangano iri rakachinja mazita akasiyana-siyana sezvo rakawedzera uye rakashandurwa kuti rienderane nezvakaitika kare muCambodia.