Newsom filed a lawsuit Monday in response to Trump ordering the deployment of roughly 4,000 National Guard members to Los Angeles following protests over his stepped-up enforcement of immigration laws. They were originally called in to protect federal buildings, and the president later ordered the deployment of 700 Marines.

Tensions are escalating between President Donald Trump and California Gov. Gavin Newsom as protests against Immigration and Customs Enforcement continue to grip Los Angeles and spread to New York City, San Francisco, Boston, Austin, Texas, and other cities.

California Attorney General Rob Bonta has announced his lawsuit against the Trump administration for deploying the National Guard in Los Angeles to contain the riots over the immigration raids that broke out this past weekend.

Gov. Gavin Newsom has filed a lawsuit against President Donald Trump to stop the National Guard and Marines from aiding immigration raids in Los Angeles, amid ongoing state and federal immigration policy disputes in other Democratic-led states.

Gov. Gavin Newsom posted on social media that "Commandeering a state's National Guard without consulting the Governor of that state is illegal and immoral."

Judicial precedent backs up the federal government's authority for immigration enforcement as challenges to "sanctuary" policies loom in federal courts.

Robert McWhirter, a constitutional law expert, discusses the lawsuit filed by California challenging President Donald Trump’s authority to activate the National Guard.

California is challenging President Trump's decision to deploy federal troops to assist immigration agents in Los Angeles.

The National Guard has at times detained protesters in its deployment to Los Angeles, an official said Wednesday, as demonstrations against Immigration and Customs enforcement raids spread to other major cities.