Buuxi weedhan soo socota: Krejča iyo shaqadiisa ayaa la mamnuucay ka dib duulaankii Soviet ee Czechoslovakia sanadkii 1968, kaas oo soo afjaray xilli xorayn siyaasadeed oo loo yaqaan Gu'ga Prague. Xukuumadda cusub ee Czechoslovakia ma oggolaan doonto Krejča inuu ka shaqeeyo dalka; waxaa loo oggolaaday oo keliya inuu ka shaqeeyo dibedda. Wuxuu sii waday inuu jiheeyo in ka badan 40 bandhigyo tiyaatar, oo ay ku jiraan Austria, Talyaaniga, Belgium, France, Jarmalka, Finland iyo Sweden. Krejča wuxuu dib ugu soo laabtay dalkiisa hooyo si uu uga shaqeeyo ka dib markii
burburkii xukuumadii Czechoslovakian Communist sanadkii 1989. Wuxuu helay abaalmarino badan oo Czech iyo ajnabi ah shaqadiisa.