phnom penh cambodian prime minister hun sen tell cabinet friday fear western sanction u.s. senators threaten push travel restrictions arrest main opposition leader government spokesman say hun sen critics accuse destroy democracy cambodia ensure win re-election next year extend 32 years power u.s. senator ted cruz say would push travel ban top officials opposition leader kem sokha free nov. 9. senators john mccain dick durbin also call travel restrictions crackdown continue hun sen tell weekly cabinet meet sanction western donors worry government spokesman say samdech say wealth abroad necessity step u.s. soil phay siphan tell reuters use hun sen official title kem sokha arrest sept. charge treason accuse plot take power help unspecified americans accusation deny government also ask court dissolve kem sokha cambodia national rescue party cnrp hun sen call members parliament elect officials defect cambodian people party cpp pro-government media say one parliamentarian local councillors defect kem sokha daughter monovithya kem say release pressure end cnrp would mean next year election would lack legitimacy hun sen government survive without legitimacy tell reuters cambodia would become pariah state government reverse course soon western countries call release kem sokha intensify lobby unusually direct statement japan visit vice minister foreign affairs iwao horii call thursday free fair election next year japan cambodia big aid donor china express expectation cambodia next national election conduct free fair manner hironori suzuki counsellor japanese embassy say email reuters expect general election would hold way international community welcome hun sen increasingly isolate western donor pressure strong relationship china become far big giver foreign aid well big investor cambodia cambodian pm say sanction would n't hurt