(Refiles to remove extraneous word from headline) By Pavel Polityuk KYIV (Reuters) – Russia launched referendums on Friday aimed at annexing four occupied regions of Ukraine, drawing condemnation from Kyiv and Western nations who dismissed the votes as a sham and pledged not to recognise their results. Ukrainian officials said people were banned from leaving some occupied areas until the four-day vote was over, armed groups were going into homes, and employees were threatened with the sack if they did not participate. Ukrainian President Volodymyr Zelenskiy said in a nightly address that the v…