Associated Press
A Seattle police officer rides past a smoke bomb after protesters shattered windows in downtown businesses during a May Day rally on Tuesday, May 1, 2012 in downtown Seattle. Mayor Mike McGinn says he's making an emergency declaration allowing police to confiscate items that can be used as weapons following violent May Day protests that left storefronts and car windows shattered. (AP Photo/Seattlepi.com, Joshua Trujillo)

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