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PORTLAND, OR - MAY 01: The May 1st parade set to celebrate the International Workers Day, started as a peaceful demonstration till segments of the protesters turned violent and Portland Police responded in downtown Portland, Oregon on May 01, 2017. (Photo by Diego G Diaz/Icon Sportswire via Getty Images)

PORTLAND, OR - MAY 01: The May 1st parade set to celebrate the International Workers Day, started as a peaceful demonstration till segments of the protesters turned violent and Portland Police responded in downtown Portland, Oregon on May 01, 2017. (Photo by Diego G Diaz/Icon Sportswire via Getty Images)