BY GABRIELA BACZYNSKA-DONETSK Ukraine Wed May 28, 2014
1 OF 2. Miners from around the region walk during a demonstration in support of the self-proclaimed 'Donetsk People's Republic' in Donetsk, May 28, 2014.

(Reuters) - An uneasy calm returned to the streets of Donetsk on Wednesday after the biggest battle of the pro-Russian separatist uprising in eastern Ukraine, a conflict transformed by the landslide election of a pro-European leader who vowed to crush the revolt.