Getting your Trinity Audio player ready...

Police arrested at least 30 to 40 demonstrators during protests that originated at the Civic Center BART station and then led police back and forth through downtown San Francisco, drawing traffic to a standstill and closing two BART stations at several points throughout Monday evening.

To access this post, you must purchase 1 Year Membership **Annual $144**, 1 Year Membership **Annual $300**, 1 Month Membership **Monthly $25** or 1 Month Membership **Monthly $15**.

CalMatters is a Sacramento-based nonpartisan, nonprofit journalism venture committed to explaining how California's state Capitol works and why it matters. It works with more than 130 media partners throughout the state that have long, deep relationships with their local audiences, including Embarcadero Media.