Protests were held in San Francisco and Sacramento to denounce ICE's arrest of immigrants in and around immigration courts, which advocates say is part of a nationwide campaign to intimidate immigrants and undermine the right to due process.

Over 100 immigrant rights advocates protested outside San Francisco’s immigration court to oppose recent ICE operations conducted within court premises. (AP Video: Haven Daley)

San Diego County is included on the list, as well as the cities of San Diego, Vista, Chula Vista and Santee. “These sanctuary city politicians are endangering Americans and our law enforcement in order to protect violent criminal illegal aliens,” DHS Secretary Kristi Noem said in a news release.

Inside some San Francisco Bay Area immigration courthouses, Immigration and Customs Enforcement (ICE) officers are detaining people and posting signs warning migrants

The arrests by federal authorities took place on Saturday in Boston, Denver, Houston, Newark, New York City, Salt Lake City, and San Francisco.

A widespread data-sharing program highlights financial ties between local police and immigration enforcement—and how even sanctuary jurisdictions still feed “the deportation machine.”