U.S. District Judge Charles Breyer, a former Watergate prosecutor, will decide whether Trump had the legal authority to federalize 4,000 California National Guard troops.

Protests surrounding immigration enforcement actions in the Los Angeles area and the Trump administration's response to them have cued up a public spat between President Trump and Gov. Newsom.

Donald Trump’s mobilization of the National Guard to quell LA protests is a rare exercise of presidential power.

President Donald Trump has authorized the deployment of an additional 2,000 National Guard members to help respond to protests in Los Angeles over immigration raids.

President Trump and Defense Secretary Pete Hegseth are standing by the decision to send 700 Marines and thousands of National Guard troops to Los Angeles. NBC News Correspondents David Noriega and Melanie Zanona report more.

California Attorney General Rob Bonta said Monday that he’ll soon file a lawsuit against the Trump administration for federalizing National Guard troops this weekend.

Massachusetts senator tells Boston business leaders the deployment aims to "create a chill" in immigrant communities while attention shifts from healthcare cuts.

Gov. Gavin Newsom said he would challenge the legality of President Donald Trump’s National Guard deployment, as protesters clashed with police in downtown Los Angeles.