Pro-Russian demonstrators in eastern Ukraine smashed their way into public buildings and burned Ukrainian-language books on Sunday in further protests following two deadly clashes in the region last week. Protests, some several thousand strong, spread to Russian-speaking southern districts as Ukraine's Crimean peninsula, under the control of the Russian military for two weeks, voted in a referendum on joining Russia. [...] In Kharkiv, Reuters Television footage showed pro-Russian activists scaling an iron gate, smashing a van and breaking into the offices of a Ukrainian cultural center. Two policemen stood nearby, examining the van. The footage then showed young men seizing...