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 Vysotsky Q&A Event Direct Line with Vladimir Putin, Alexey Venediktov asked Putin to name a street in Moscow after the singer Vladimir Vysotsky, who is considered as one of the greatest Russian artists and yet almost 30 years after his death, no street in Russian capital was named after him. Venediktov stated a Russian law that allowed to President to do so and promote a law suggestion to name a street by decree. Putin answered that he would talk to Mayor of Moscow and will solve this problem. In July 2015 former Upper and Lower Tagansky Dead-ends (Верхний и Нижний Таганские