Cary López Alvarado, a U.S. citizen who is nine months pregnant, was detained after blocking immigration agents from entering what she believed to be private property.

Among the most outspoken California Democrats in recent days has been San Diego Councilmember Sean Elo-Rivera, who was pilloried by conservative media outlets over his Instagram post that included a photo labeling ICE agents as “terrorists” in the restaurant raid.

Alarm spread through California agricultural centers Tuesday as panicked workers reported that federal immigration authorities were showing up at farm fields and packing houses from the Central Coast to the San Joaquin Valley.