The ruling from federal Judge Charles Breyer in San Francisco comes as President Trump mulls deploying National Guard troops to Chicago and other cities.

A judge found that Trump acted unlawfully when he federalized the National Guard and deployed a handful of Marines to address anti-ICE riots and protests in California.

President Donald Trump’s administration violated federal law in the use of National Guard troops during Southern California immigration enforcement operations and accompanying protests, a federal judge ruled on Tuesday.

The White House has indicated it plans to appeal a judge's ruling that President Donald Trump’s use of National Guard troops during California immigration enforcement protests is illegal.

Lawyers for President Donald Trump and California Gov. Gavin Newsom are set to face off Monday to determine whether the president violated a 147-year-old law when he deployed the National Guard to quell anti-immigration enforcement protests in Los Angeles – against the wishes of the governor.

A fight between President Donald Trump and Democratic Gov. Gavin Newsom over the National Guard's presence in California will come to a head in a three-day trial.