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.
Vladimir Putin and his press-secretary, Dmitry Peskov, said the leak was a conspiracy aimed at Putin. As president and prime-minister, Putin has lived in numerous official residences throughout the country. These residences include: the Moscow Kremlin, in Moscow Oblast, the White House in Moscow, near Moscow, Bocharov Ruchey in Sochi, in Novgorod Oblast, and Riviera in Sochi. In August 2012, critics of President Vladimir Putin listed the ownership of 20 villas and palaces, nine of which were built during Putin's 12 years in power. Soon after Putin returned from his KGB service in Dresden, East Germany, he built a dacha in Solovyovka