Footage posted on YouTube appears to show flames from the building fire that has killed an estimated 38 people in the southern Ukrainian port city of Odessa.
The video, posted by pro-Kiev group Euromaidan, shows flames surrounding the building - which was reportedly being used as a base for pro-Russian supporters.
European Union foreign ministers added 13 people to their visa ban and asset freeze list over Ukraine's crisis.
Well that’s the voting over, and no surprises so far. A ‘Yes’ vote claimed to be 89% in Donetsk, and suddenly Ukraine is no more.
Nearly 90 percent of voters in eastern Ukrainian region voted for self-rule, the head of the separatist election commission said.