Generals Kiszczak and Jaruzelski later insisted that they were imposing martial law to stave off a possible Soviet-led invasion in response to the "Solidarity" uprising, as it happened after a reform movement in Czechoslovakia in 1968 (the Prague Spring). "I saved the country from terrible troubles", Kiszczak said years later. But critics claimed Jaruzelski and Kiszczak were doing Moscow's bidding in a brutal crackdown that included the shooting deaths of nine protesting miners by the police during the Pacification of Wujek operation.