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Occupy San Francisco protesters arrested after stopping traffic

Police are seen with a man on a sidewalk following 12 arrests at an Occupy San Francisco protest on Saturday, Oct. 6, 2012.

October 7, 2012 12:00:00 AM PDT
An Occupy protest in Downtown San Francisco ended in the arrest of several people.

Nearly two dozen people marching down Market Street were arrested Saturday after disrupting traffic.

There were also reports of protestors throwing flares and rocks at police.

One officer was struck in the head, but he was not seriously hurt.