Hours after a federal judge sided with Gov. Gavin Newsom over Donald Trump's deployment of the National Guard in Los Angeles, an appeals court has blocked the ruling.

What the judge rules, and the likely appeals that follow, may alter decades of understanding about the roles of governors and the White House in quelling domestic unrest.

The 9th U.S. Circuit Court of Appeals on Thursday temporarily blocked a federal judge's order that directed President Donald Trump to return control of National Guard troops to California after he deployed them in response to protests in Los Angeles over immigration raids.

California Governor Gavin Newsom offered some cutting words on social media for President Donald Trump Thursday as he battled to retain command of the state’s National Guard. He might have spoken too soon.

U.S. Sen. Alex Padilla, D-Calif., was unable to get off his a question for Secretary Kristi Noem when officials shoved him out of the room as he screamed “hands off!”. In this Nov. 2, 2018, file photo, then-California Secretary of State Padilla speaks in San Francisco. (AP Photo/Eric Risberg, File) AP