revision preference src: One week later (28 September) Volodymyr Ivashko replaced Shcerbytsky as 1st Secretary of the Communist Party of Ukraine. As a result, those officials in favor of a more conservative line regarding the UGCC were no longer in the top positions of the Ukrainian Communist Party. <SEP> tgt: One week later (28 September) Volodymyr Ivashko replaced Shcerbytsky as 1st Secretary of the Communist Party of Ukraine. Those officials in favor of a more conservative line regarding the UGCC were no longer in the top positions of the Communist Party of Ukraine.