<prompt> Qedela umusho olandelayo: UPlyushch waba umuntu ophikisana nenkolo ngokuthatha ukuma obala ezindabeni zezombangazwe ezishisayo zangaleso sikhathi. Ngo-1968 waphikisana nokungaziphathi kahle kwecala likaGalanskovGinzburg ngokuthumela incwadi kuKomsomolskaya Pravda, engazange ishicilelwe. Lapho amabutho aseSoviet  <response>: lapho iCzechoslovakia ihlaselwa ngo-1968, uPlyushch wasayina ngokuhlanganyela nabanye abaphikisi baseSoviet abangu-16 isimemezelo sokubambisana nomzabalazo wentando yeningi eCzechoslovakia. Ngawo lowo nyaka wajoyina i-Initiative Group for the Defense of Human Rights in the USSR, eyathumela incwadi e-UN Human Rights Commission icela ukuba iphenye ukwephulwa kwe-USSR kwelungelo lokuba nezinkolelo ezizimele nokuzisakaza ngezindlela zomthetho. UPlyushch wayengomunye wabayishumi nanhlanu abasayina i-An Appeal to The UN Committee for Human Rights. Ngenxa yokuphikiswa yizimo zakhe zezombusazwe, waxoshwa eSikhungweni Sezokuxhumana ngo-1968, futhi i-KGB yathatha imibhalo yakhe yesandla eminingi futhi yamphenya ngemibuzo izikhathi eziningana. 