A U.S. federal judge on Tuesday blocked President Donald Trump's administration from using the military to fight crime in California, even as the Republican president threatens to send troops to more U.S. cities, including Chicago.

San Francisco-based U.S. District Judge Charles Breyer found that the Trump administration willfully violated a law known as the Posse Comitatus Act, which sharply limits the use of federal troops for domestic enforcement, by using troops to control crowds and bolster federal agents during immigration and drug raids .

The administration deployed 4,000 National Guard and 700 active-duty U.S. Marines to Los Angeles in June.

Tuesday's ruling dealt a setback to Trump's push to broaden the role of the military on U.S. soil, which critics say is a dangerous expan

See Full Page