Nyora kupfuurira kweiyi ndima - Lee akaramba kupindirwa kweVietnamese muCambodia muna 1978. Hurumende yeSingapore yakaronga mushandirapamwe wepasi rose wekushora Vietnam uye yakapa rubatsiro kuKhmer Rouge iyo yakanga ichirwisana nehutongi hweVietnam panguva yeCambodian-Vietnamese War
kubva muna 1978 kusvika muna 1989. Muzviyeuchidzo zvake, Lee akarondedzera kuti muna 1982, "Singapore yakapa mapoka okutanga mazana mashomanene ehondo dzeAK-47, magirinedhi emaoko, zvombo uye midziyo yokutaurirana" kumapoka okurwisana eKhmer Rouge.