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.
Third inauguration of Vladimir Putin accepting congratulations. Before the start of the final part, Vladimir Putin and Dmitry Medvedev retired to a closed room where former President presented the new President with a "nuclear briefcase". After receiving "nuclear briefcase", Putin and Medvedev went to the Cathedral Square, where the former President presented the Kremlin regiment of the new Supreme Commander. After that a parade and review of troops was held. After all this, President Putin and his wife went to the Cathedral of the Annunciation, where a prayer service in the service to the Fatherland was held. Then they went to the informal part of