 Spurred on by their apparent success, the Underground Anarchists proclaimed a new "era of dynamite" that would finally wipe away capitalism and the State.The Bolsheviks responded by initiating a new wave of mass arrests in which Kovalevich and Sobalev were the first to be shot.With their leaders dead and much of their organization in tatters, the remaining Underground Anarchists blew themselves up in their last battle with the Cheka, taking much of their safe house with them.