San Francisco (CNN) An animal rights protester jumped onto a stage and grabbed a microphone from Sen. Kamala Harris at MoveOn's Big Ideas Forum in San Francisco Saturday afternoon.

Approximately 10 minutes into her speech, Harris was asked about her proposal to address the gender pay gap by moderator Stephanie Valencia when she was approached by a tall man dressed in black and wearing a press badge who jumped on the stage. Harris appeared puzzled but remained calm as the protester grabbed the mic from her hand.

"We were protesting just a few minutes ago asking for your attention to a much bigger idea ..." the man said, as moderator Karine Jean-Pierre tried to intervene.

Security jumped onto the stage as the senator calmly walked away from the protester. As the man resisted leaving the stage, Harris' husband Douglas Emhoff jumped in and wrestled the microphone from the protester.

Harris emerged a few moments later to cheers of "Kamala!"

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