If Trump sends the National Guard into cities without the consent of governors, state leaders would be able to file court challenges, as California Governor Gavin Newsom did to block Trump from federalizing the National Guard to quell protests and riots over his immigration policy in Los Angeles earlier this summer, Banks said.

Some National Guard units patrolling the nation’s capital at the direction of President Donald Trump have started carrying firearms.

Maryland Gov. Wes Moore is pushing back against President Donald Trump’s claims about crime in Baltimore and his suggestion that federal troops could be sent to the city, saying local partnerships are showing results and that he will not authorize the Maryland National Guard for policing.