A deputy commanding general testified Monday that military forces called in to assist with immigration raids in Los Angeles were allowed to take some law enforcement actions despite a federal law that prohibits the president from using the military as a domestic police force.

Gov. Gavin Newsom alleges the Trump administration broke a 19th Century law called the Posse Comitatus Act when it deployed military units to Los Angeles in June.

Three-day trial will determine if the government violated a 19th century law that bars the military from civil law enforcement