ROUGH CUT (NO REPORTER NARRATION)<br /> <br />STORY: Voters in the eastern-Ukrainian city of Donetsk cast their ballots on Sunday (May 11) in an ambiguous referendum on self-rule that has raised fears in Kiev and the West of civil war and dismemberment.<br /> <br />Pro-Russian separatist leaders of the self-proclaimed "People's Republic of Donetsk" pressed the referendum even as Ukrainian leader Oleksander Turchinov warned pro-Russian eastern regions they would be stepping into the abyss if they voted.<br /> <br />Ballots asking voters if they support state "self-rule", which some see in it endorsement of autonomy within Ukraine, some a move to independence, and others a nod to absorption by Russia in the wake of Crimea, which Moscow annexed in March.<br /> <br />Annexation is favoured by the more prominent rebels, but the ambiguity may reflect their fears a full break would not garner enough support.<br /> <br />The eastern uprising followed the toppling in February of Ukrainian President Viktor Yanukovich, whose
