SAN FRANCISCO (CBS/AP) — Occupy Oakland protesters are suing the city and Alameda County, saying arrests last year violated their civil rights.

The federal lawsuit filed Monday in San Francisco says 409 people were unlawfully arrested them outside the YMCA.

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The suit, seeking class-action status, claims civil rights were violated when they were held in jail for hours but were never charged with a crime.

The suit says protesters weren’t given a dispersal order by law enforcement.

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The mass arrest occurred hours after protesters tried to take over the vacant Henry J. Kaiser Convention Center several blocks away.

The suit seeks unspecified damages and an order sealing and destroying arrest records.

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