Ukrainian opposition at a mass rally in Kiev on Friday demanded that President Viktor Yanukovych step down after he refused to salvage a key deal with the European Union. "We are demanding Yanukovych's resignation," said an opposition resolution read out at a mass rally by singer and activist Ruslana Lyzhichko. "We declare that we are continuing to fight for a European Ukraine," she said in the presence of top opposition leaders Arseniy Yatsenyuk and Vitalli Klitschko.