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 independent Russian media outlets and Western commentators as anti-democratic. In 2012, as proposed by Putin's successor, Dmitry Medvedev, the direct election of governors was re-introduced. During his first term in office, Putin opposed some of the Yeltsin-era oligarchs, as well as his political opponents, resulting in the exile or imprisonment of such people as Boris Berezovsky, Vladimir Gusinsky, and Mikhail Khodorkovsky; other oligarchs such as Roman Abramovich and Arkady Rotenberg are friends and allies with Putin. Putin succeeded in codifying land law and tax law and promulgated new codes on labor, administrative, criminal, commercial and civil procedural law. Under Medvedev's