TucsonSentinel, 
Photos: Police use rubber bullets, pepper balls to break up Gaza protest on UA campus https://www.tucsonsentinel.com/local/report/050124_ua_gaza_protest/photos-police-use-rubber-bullets-pepper-balls-break-up-gaza-protest-ua-campus/
Three hours after police warned arrests were imminent, dozens of officers in riot gear smashed their way into an ad-hoc camp of Palestinian supporters at the University of Arizona, using pepper balls and rubber bullets to push the crowd onto Park Avenue.
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