Activists chanting "Russia!" broke through police lines Sunday and stormed several government buildings in eastern Ukrainian regions seeking independence from Kiev following last montth's fall of a Kremlin regime. Clashes in Donetsk and similar rallies in the heavily Russified cities such of Lugansk and Kharkiv provided another reminder to the untested pro-Western leaders in Kiev of the monumental task facing them after their February 22 overthrow of president Viktor Yanukovych.