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.
Act of Canonical Communion with the Moscow Patriarchate Divine Liturgy by clergy of both churches. Among the dignitaries present was President of Russia Vladimir Putin, Mayor of Moscow Yuriy Luzhkov, presidential envoy Georgy Poltavchenko, and other government officials. Putin has been hailed by the primate of the Russian Orthodox Church, Patriarch of Moscow and all Rus' Alexy II of Moscow as instrumental in healing the 80-year schism between it and the Russian Orthodox Church outside Russia in May 2007. Some opponents of the Act, who have left ROCOR, claim that the reconciliation of the Moscow Patriarchate and the Russian Orthodox Church Outside of Russia was the result of