rtokens: It said refugees feared census takers would use indelible ink to mark them so they could be detected by Rwandan government troops and mistreated if they were forced back into Rwanda .
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tokens: " The RDR appeals to all refugees to prepare themselves calmly for the demands of the census agents because it will be in their ultimate interest , " the group said in a statement .
ltokens: The Rally for the Return of Refugees and Democracy in Rwanda ( RDR ) urged the U.N. High Commissioner for Refugees to avoid any " policing approach " and to calm refugees by explaining the aims of the operation .