SAN FRANCISCO (CBS SF) — Demonstrators are on the march through the streets of San Francisco as they take part in what’s being termed by Occupy Wall Street organizers as a Halloween march and rally.

Some in the crowd, estimated to number about 1,000 people, are wearing suits, appearing to imitate Wall Street bankers. Others are wearing “Robin Hood” outfits.

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During the march the crowd stopped briefly and chanted in support of Scott Olsen, the 24-year-old Iraq War veteran who suffered a fractured skull during a confrontation in an Oakland occupy protest.

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San Francisco police officers are out in force, escorting the mostly festive crowd as it makes its way through the city’s streets.

Saturday’s March in San Francisco was among of a number of occupy events in the San Francisco Bay area on Saturday, including a rally and march in Oakland Saturday night.

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