This looks like an orchestrated campaign of robotic televoting. Aside from any political motivations, this manipulation is a massive risk for the gambling industry and for the public placing @eurovision.tv bets. The @ebu.ch and their televoting contractors #ONCE have a lot of explaining to do

It looks like somebody has been over-egging their vote-farming so much that @eurovision.tv and @ebu.ch are going to have to open a serious investigation and expel the culprits