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.
Political career of Vladimir Putin federal center attached to the President, replacing Sergey Shakhray. After Putin's appointment, the commission completed no such agreements, although during Shakhray's term as the Head of the Commission there were 46 agreements signed. Later, after becoming President Putin canceled all those agreements. On 25 July 1998, Yeltsin appointed Vladimir Putin head of the FSB (one of the successor agencies to the KGB), the position Putin occupied until August 1999. He became a permanent member of the Security Council of the Russian Federation on 1 October 1998 and its Secretary on 29 March 1999. On 9 August 1999, Vladimir Putin was