Pro-Russian rebels are holding a „self-rule” vote in eastern Ukraine, a move criticised by the US as „illegal” and which could pull the former Soviet republic apart. Sunday’s poll, carried out as two „referendums” in the provinces of Donetsk and Lugansk, where armed men hold more than a dozen towns, marks a serious deepening of the political crisis in the country. Al Jazeera’s Jonah Hull reports from Donetsk.