LOS ANGELES — Police evicted some 200 anti-Wall Street protesters Sunday without incident from downtown Portland, Oregon, the latest city to act against the encampments, officials said.

A police spokesman in the north-western US city told KATU TV that the evictions were "totally peaceful" and that most of the protesters left voluntarily with no use of force.

Late Saturday, a few thousand people gathered in downtown Portland in support of about 200 protesters who refused to break camp.

Mayor Sam Adams said officials would be "very patient" in removing the demonstrators.

"Parks are going to be closed to the public, effective when the police bureau feels it can be done in a peaceful and successful way," he told journalists.

The Oregonian newspaper reported the arrest of one person, but police said in a Twitter message that they were "arresting those who want to be arrested by remaining in Chapman Square."

The site in Portland was among several in US cities denouncing corporate greed since movement started in New York in September.

Police also evicted protesters camping in the US cities of Denver, Colorado, and Salt Lake City, Utah, on Saturday.

The mayor of Oakland, California -- where violence has flared in recent weeks -- urged campers "to leave voluntarily" while police said they should disperse immediately.

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Photo by K. Kendall from Flickr.