"By calling forth troops...the President flouts the vision of our Founders," read an amicus brief filed by 21 states.

California Gov. Newsom said the ruling by Judge Charles Breyer was a "check" on President Trump, "whose authoritarian tendencies are increasing by the day."

A federal judge has blocked President Donald Trump's move to deploy California National Guard troops during protests over immigration raids in Los Angeles, calling the move "illegal" and ordering the Trump administration to return the control of the California National Guard to the control of Gov.