As the military presence ramped up in Los Angeles, communities are preparing for the largest protests against Trump since he took office.

About 50 U.S. Marines squared off against hundreds of protesters in front of a federal building in downtown Los Angeles on Saturday, with the crowd yelling in unison for them to go home.

The Marines wearing combat gear and carrying rifles are taking over some posts from National Guard members who were deployed to the city after the protests erupted last week. Those protests sparked dozens more over several days around the country, with some leading to clashes with police and hundreds of arrests.

Roughly 700 Marines from the Twentynine Palms base have been mobilized in response to protests and unrest in Los Angeles.

LOS ANGELES — Another 2,000 National Guard troops along with 700 Marines are headed to Los Angeles on orders from President Donald Trump, escalating a military presence local officials and Gov. Gavin Newsom don’t want and the police chief says creates logistical challenges for safely handling protests.

along with about 700 Marines, said Sherman, who is in charge of the operation.About 500 of the Guard troops deployed to the Los Angeles protests have been trained to accompany agents on ...

U.S. officials said about 1,000 National Guard members were in the city under federal orders by midday Monday.

The Pentagon plans to deploy 700 Marines to Los Angeles to help National Guard members respond to mass immigration protests.

What Happened: According to a Reuters report, U.S. Marines temporarily detained a civilian in Los Angeles on Friday. This marks the first known instance of active-duty troops, deployed by President Donald Trump, detaining a civilian in the city.

LOS ANGELES (AP) — Marines were seen standing guard outside a federal building in Los Angeles on Friday as they started operations after protests erupted last week over immigration raids.

By Omar Younis, Brad Brooks, Phil Stewart and Idrees AliLOS ANGELES (Reuters) -U.S. Marines deployed to Los Angeles made their first detention of a civilian on Friday, part of a rare use of military force to support domestic police and coming ahead of national protests over President Donald Trump's military parade in Washington.