 It was done as an anticipatory protest of the New Law on Police signed by President Medvedev, which went into effect on 1 March 2011.The group Pussy Riot was formed in August 2011, and included Nadezhda Tolokonnikova and Yekaterina Samutsevich, members of the Moscow faction of Voina.On 15 November 2010, Leonid Nikolayev and Oleg Vorotnikov were arrested for overturning seven empty police cars as an art performance act, "Palace Revolution".