phnom penh european parliament delegation warn tuesday cambodia could face eu action aid vital trade preferences human right situation worsen delegation statement strong threat action representatives western donors since arrest opposition leader kem sokha september step prime minister hun sen government dissolve cambodia national rescue party cnrp asean association southeast asian nations delegation european parliament call release kem sokha end process dissolve party government cambodia aware european parliament co-legislator budgetary trade issue say delegation chairman werner langen member german chancellor angela merkel christian democrats party serious deterioration human right situation might implications development assistance program trade preferences say two-day visit huy vannak undersecretary state cambodia interior ministry say european parliament keep trade politics separate members european parliament distinguish political agenda trade interest people need create many choices rather make interest people hostage political agenda huy vannak tell reuters without economic prosperity democracy illusion say european union countries account around 40 percent cambodia export 2016. export mostly clothe get fully duty free access scheme help world poor countries western diplomats say private would difficult secure eu agreement limit trade preferences harm could 700,000 low-wage garment workers employ cambodian factories european union member state also give cambodia nearly 170 million development aid last year accord cambodian government figure still well short 265 million get china far big donor investor voice support hun sen government arrest kem sokha government intensify crackdown political opponents independent media human right group recent months ahead election next july hun sen rule 32 years stake cambodia supreme court reject appeal free kem sokha tuesday say release could public risk threat dissolution loom party lawyers kem sokha ask supreme court rule detention illegal say grant parliamentary immunity prosecution supreme court due rule nov. 16 whether dissolve cnrp government last month file lawsuit ask dissolve ground involve plot topple government kem sokha bring court hear tuesday hear seem fake hem socheat lawyer kem sokha tell court hun sen say rival get help unite state u.s. embassy phnom penh reject suggestion interference politics eu mps threaten cambodia aid trade crackdown