Trump's plan to address crime in D.C. calls for deploying National Guard troops along the National Mall overnight Wednesday into Thursday morning, according to a source.

About half of the 800 National Guard troops ordered to help crack down on crime in the nation’s capital have arrived.

WASHINGTON – President Donald Trump deployed 800 National Guard troops to the streets of Washington, DC, a rare flex of his presidential authority over the military while a court mulls the legality of his prior order sending troops to Los Angeles.