President Donald Trump unlawfully federalized thousands of members of California’s National Guard and must return control of the troops to the state, a federal judge ruled Thursday.

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.

Cardi B expresses her concerns as Donald Trump deploys the national guard to Los Angeles in response to growing immigration protests.

Hours after the curfew went into effect Tuesday night, many of the protesters had dispersed, although small sporadic confrontations continued. Trump ordered the deployment of nearly 5,000 military members,

President Donald Trump and his administration officials warned that the use of the military in response to protests against his immigration crackdown may not be limited to just Los Angeles, saying it could be the first "of many" -- and that protesters could be met with "equal or greater force.