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While some attacks by police, militia, and soldiers were provoked, others were not. The most noted example of misconduct by the police took place on July 26, the same day as the cavalry charge by the Halsted Street viaduct, when officers raided a business meeting of furniture workers at the Turner Hall on West 12th Street (now Roosevelt Road). The police claimed that the violence began when someone threw a stone at them.
One eyewitness described the police as "a uniformed mob." The raid led to a successful lawsuit by the furniture workers' union that resulted in the condemnation of the police and the affirmation of workers' right to peaceful assembly. The bad feelings generated by this incident became another cause of the mutual distrust that was part of the backdrop of Haymarket.