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.

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National Guard troops pulled up in front of the Washington Monument on Aug. 12. They weren't armed then, but they could be soon, Army officials said.

Trump invokes federal control over D.C. police amid crime surge, with National Guard spotted leaving armory as authorities arrest 23 suspects.

D.C. National Guard soldiers temporarily detained a man on Friday who the authorities say assaulted a U.S. Park Police officer on the National Mall. It was the first such action by the Guard since President Trump ordered 800 Guard troops to the streets of the capital this week to help fight crime.

Around two dozen soldiers stood guard outside Washington, Union Station in Washington, D.C., on Aug. 14. They had little to do.