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.
Embassy of Poland in Moscow and consular buildings. In 2005, the embassy has been the location of at least one protest against the policies of the Polish government. The embassy served as the primary target for groups wishing to express their disagreement with the directives of the late president Lech Kaczyński. The current ambassador of Poland to Russia is Włodzimierz Marciniak. The previous ambassador, Katarzyna Pełczyńska-Nałęcz, presented her credentials to president Vladimir Putin at an official reception in the Moscow Kremlin on 19 November 2014. Embassy of Poland in Moscow The Embassy of Poland in Moscow is the diplomatic mission of the Republic of Poland