Thousands of protesters leave SF UN Plaza, head toward castro on Market Street

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Thousands of protesters gathered at San Francisco's United Nations Plaza this evening despite heavy rains.

The protest started around 5 p.m. By 6:10 p.m. the crowd had grown significantly and began leaving the area, heading towards the Castro on Market Street.

Earlier on Friday, more than 3,000 anti-Trump supporters formed a human chain on the Golden Gate Bridge to stand against the inauguration of President Donald Trump.