Vladimir Putin the Russian opposition and by international observers from the Organization for Security and Co-operation in Europe for procedural irregularities. Anti-Putin protests took place during and directly after the presidential campaign. The most notorious protest was the Pussy Riot performance on 21 February, and subsequent trial. An estimated 8,000–20,000 protesters gathered in Moscow on 6 May, when eighty people were injured in confrontations with police, and 450 were arrested, with another 120 arrests taking place the following day. A counter-protest of Putin supporters occurred which culminated in a gathering of an estimated 130,000 supporters at the Luzhniki Stadium, Russia's largest stadium.
Putin Must Go The activists handed out ballots with the question to people whether they would vote for or against Vladimir Putin. Polls were held in Moscow and 10 other cities. In total 1,563 people participated and 76.6 percent of them voted against the prime minister. In addition, the activists handed out the report "Putin. Results. 10 years", while in Moscow they also held a contest of anti-Putin posters. The creation of an online community (social network) of signatories was suggested by the organisers early in the campaign – in their messages in March and April 2010. However, the project has been launched