ICE said the El Salvador criminal warrant against Cristian Alberto Rivas-Escalante is for "illicit associations with the 18th Street Gang."

The No Kings protests coincide with others across the country, and with President Trump's birthday and a U.S. Army parade in Washington, D.C. on Saturday. Trevor Sochocki reports.

LAPD and the counties of San Diego, Orange and Riverside have repeatedly shared automated license plate reader data to federal agencies.

State law, in fact, specifically prohibits local law enforcement from working with federal immigration enforcement operations in most instances.

With migrant communities already living in fear amid the Trump administration's immigration crackdown, ICE raids in downtown Los Angeles sparked days of protests.

In Florida, law enforcement officials are preparing for possible protests here over the weekend as many "No Kings" protests are being planned. "While OPD does not discuss specific security measures, we always assess the needs of large-scale events to make sure enough staff are on hand to protect and serve our community.

Throughout the afternoon, the crowd of protesters grew along Santa Ana Boulevard in front of the federal building.

Members of other agencies are getting detailed to assist ICE, while Justice Department personnel shift to immigration-focused teams and prioritize immigration-related cases.

Since President Donald Trump again took office, hundreds of local and state agencies nationwide have opted to assist with immigration enforcement.

The mayor of Newark, New Jersey, accused the facility of "withholding food" and "poor treatment" of detainees.