In the days before protests erupted in Los Angeles, the Trump administration stepped up its efforts to detain migrants — taking into custody those who arrived for routine check-ins while also conducting workplace raids that have sent waves of fear across Southern California and beyond.

Los Angeles Mayor Karen Bass came out against President Trump's Marine deployments in her city, saying 'we don't want them here.'

By Brad Brooks, Jorge Garcia, Idrees Ali and Phil StewartLOS ANGELES (Reuters) -U.S. Marines were deployed to Los Angeles on Friday, the military said, a rare domestic use of its forces as protests over President Donald Trump's immigration raids spread nationwide.

An escalating clash pits a Republican president looking to fulfill his mass deportation goals against a Democratic governor with White House aspirations hoping to mobilize opposition.

Saturday marks the first full day of Marines on duty in Los Angeles, one week after protests against Immigration and Customs Enforcement raids ignited in LA.

"Respect for our Constitution and for our civilian law enforcement demands nothing less," the Senate Democrats wrote.

President Donald Trump's National Guard deployment in Los Angeles ignites political debate as Republicans blame sanctuary policies for riots, while Democrats accuse Trump of creating chaos during ICE operations.

By Omar Younis, Arafat Barbakh, Phil Stewart and Idrees AliLOS ANGELES/WASHINGTON (Reuters) -Marines deployed to Los Angeles temporarily detained a civilian on Friday, the U.S. military confirmed after being presented with Reuters images,