Law enforcement officers fired shots at a vehicle that backed into a U.S. Coast Guard base in the San Francisco Bay Area that had earlier been the site of protests against federal immigration agents,

The San Francisco district attorney said in an interview that she came up with the strategy after seeing federal agents repeatedly roughing up people in Los Angeles and Chicago.

Trump has claimed “unquestioned power” and indicated he could justify deploying federal troops to San Francisco under the Insurrection Act, an 1807 law that gives the federal government authority to suppress a rebellion or civil unrest.

ALAMEDA — Demonstrators showed up early Thursday to protest ahead of a reported federal immigration crackdown set to start in the Bay Area, with federal agents using their vehicles to push through