2 / 11
An American flag and sign are visible as hundreds gather hours before a mandate from the city to vacate the Occupy Portland Camp in Portland, Ore., Saturday, Nov. 12, 2011.(AP Photo/Don Ryan)

Police move in on occupy Portland

Several hundred protesters, some wearing goggles and gas masks, marched past authorities in a downtown street Sunday, hours after riot police drove Occupy Portland demonstrators out of a pair of weeks-old encampments in nearby parks.