Democratic presidential hopeful Bernie SandersBernard (Bernie) SandersSenate passes 6B defense bill Manchin becomes final Democrat to back bill preventing separation of immigrant families Kasich: There’s a disease in American politics MORE was briefly interrupted Thursday during a speech in Chicago after a woman holding a sign charged the stage.

Sanders put up his hand to signal for the woman to stop, and a Secret Service agent ran on stage to shield the Vermont senator.

The woman was later escorted out of the venue.

The Sanders campaign, Secret Service and local police have not issued any statements on the incident.