SAN FRANCISCO (CBS SF) — The rain didn’t deter thousands of pro-life supporters at the annual March for Life, in San Francisco on Saturday.

The group marched and rallied outside City Hall.

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“We believe in showing the world that there’s this vast number of people her supporting this cause,” said Sebastian Lemmon.

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The late Martin Luther King’s niece, Dr. Alveda King, led the opening prayer.

This year’s march comes on the heels of a lawsuit against Planned Parenthood over videos that claim to show staffers negotiating prices for aborted fetal tissue.

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Planned Parenthood has denied the accusations. They filed a civil lawsuit against the group behind the video charging them with fraud, invasion of privacy and illegal secret recording.