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.

A senior Army official said that some troops were deploying with D.C. police Tuesday night and that their mobilization marked the beginning of the deployment of 800 National Guard members.

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.