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

The appeals court issued its pause just hours after Judge Charles Breyer wrote that Trump’s “actions were illegal." The 9th Circuit Court of Appeals will hear the case on June 17.

The disagreement between President Donald Trump and California Gov. Gavin Newsom over Trump deploying state National Guard troops to Los Angeles is now being debated in court. We’ll explain how the situation developed and answer some common questions.