<br /> Reuters reports that Google removed a YouTube advert by Russian opposition leader Alexei Navalny. This after authorities complained that the videos would violate an election silence law before Sunday’s vote for regional governors.<br />The series of YouTube videos featured Navalny inviting Russians to join demonstrations on Sunday.On that day, polls suggest President Vladimir Putin’s former chief-of-staff Sergei Sobyanin will be comfortably re-elected as the capital’s mayor. <br />
