United States Army North confirmed to ABC News that Marines at the Wilshire Federal Building have made the first temporary detention among the troops sent to Los Angeles on Friday.

Follow live updates as the military parade in Washington, D.C., kicks off on Trump's birthday. 'No Kings' protests by opponents are planned across the country today.

California Gov. Gavin Newsom said President Donald Trump is “pulling a military dragnet” across Los Angeles during a brief public address on Tuesday.

California Gov. Gavin Newsom asked the Trump administration to rescind the deployment, saying the federal government was moving to "take over the California National Guard," calling the move "purposefully inflammatory" and saying it will "only escalate tensions."

When Immigration and Customs Enforcement agents raided worksites in Los Angeles on June 6, randomly arresting and detaining undocumented and legal immigrants, these new and invasive tactics of immigration enforcement provoked protests.

The tremors of political unrest that shook Los Angeles and several U.S. cities this week have stirred a range of emotions in people — pride, disgust, fear, hope. In interviews with voters, one sentiment that transcended political affiliation seemed to be uncertainty.

The deployment of troops to Los Angeles raises questions about what Trump can and can't do with the military on U.S. soil, and whether he's crossing the line.

California Governor Gavin Newsom took to the airwaves Tuesday night — with federal troops stationed in his state’s largest city and immigration agents rounding up residents — and warned Americans that democracy itself was under attack from President Donald Trump.