President Donald Trump announced plans Wednesday to build a massive facility at Guantánamo Bay in Cuba to house deported migrants—following an escalation across the country in recent days as part of what Trump has promised would be the “largest deportation operation” in U.S. history.

Marchers have blocked all lanes of US 101, causing traffic to back up in both directions and on downtown surface streets.

Another point of concern is the Trump administration's promise of "mass deportation" efforts across the country. According to local immigration attorneys, much of what Trump wants to do would require a significant amount of resources — financially, staffing-wise and spatially.

Thousands of people protesting mass deportations planned by President Donald Trump marched in Southern California, including in downtown Los Angeles where demonstrators blocked a major freeway

A large crowd gathered in downtown Los Angeles on Sunday in response to the recent increase in ICE raids and deportations. The gathering briefly closed the 101 Freeway, which led to police declaring an unlawful assembly and forcing demonstrators to disperse during the daylong event.

A massive crowd of protesters blocked traffic on a downtown Los Angeles freeway, causing major delays, in response to President Donald Trump's illegal immigration crackdown.

A massive rally protesting President Donald Trump’s mass deportations and immigration policies blocked traffic on the Hollywood (101) Freeway in downtown Los Angeles Sunday. The protesters gathered Sunday morning on Olvera Street for what the Los Angeles Police Department called a non-permitted demonstration.