and improve living standards. The number of security agents was cut by 22%. By a widespread amnesty, 35,000 detainees across the entire country were released. 9,000 imprisoned for political reasons were freed in all. Hardline Stalinists, such as Jakub Berman, Roman Romkowski and Anatol Fejgin were removed from power, some arrested. Berman, dismissed in May, by Gomułka's decision was never prosecuted. A few perpetrators of Stalinist crimes were prosecuted and sentenced to prison terms. A much broader plan to charge the responsible and verify all of the security apparatus was formally presented by the prosecutors, but the action was not approved by Gomułka, who counted among the Stalinist persecution victims, as did his wife. Gomułka conducted some purges and reforms but did not want to destabilize the security system, now under his control, by wide-ranging formal prosecutions. Gomułka's road to socialism (1956–1970) Polish October Beginning on 28 June 1956, workers in the industrial city of Poznań, who had repeatedly but in vain petitioned the authorities to intervene and improve their deteriorating situation, went on strike and rioted in response to a cut in wages and changed working conditions. Demonstrations by factory workers turned into a huge citywide protest. 16 tanks, 2 armoured personnel carriers and 30 vehicles were brought to bear by a local military commander. Some of them were seized by the protesters, who also broke into the local government buildings. 57 people were killed and several hundred injured in two days of fighting. Several major military formations entered the scene, but the army's role was mainly that of support of the police and security forces action. At the Poznań radio station, Prime Minister Cyrankiewicz warned and threatened the rioters in his widely publicized speech: he "...who will dare raise his hand against the people's rule may be sure that... the authorities will chop off his hand". Of the 746 people officially detained during and in the aftermath of the disturbances, almost 80% were workers. The authorities launched an investigation, attempting to uncover a claimed premeditated instigation and involvement by Western or anticommunist underground centers. Such efforts were unsuccessful and the events were found to have been spontaneous and locally supported. The Poznań revolt's lasting impact was that it caused a deeper and more liberal realignment within the Polish communist party and in its relationship to Moscow. Deeply shaken by the protests and violence, the 7th Plenum of the