A bloodied demonstrator is arrested by federal police during a protest at the Mark O. Hatfield United States Courthouse early Monday, July 27, in downtown Portland. (AP Photo/Marcio Jose Sanchez)
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Federal police deploy tear gas break up unruly protest
The U.S. agents repeatedly fired what appeared to be tear gas, flash bangs and pepper balls before dawn to clear a mass of protesters outside the Mark O. Hatfield United States Courthouse.