WASHINGTON —

Some National Guard units patrolling the nation's capital at the direction of President Donald Trump have started carrying firearms, an escalation of his military deployment that makes good on a directive issued late last week by his defense secretary.

A Defense Department official who was not authorized to speak publicly said some units on certain missions would be armed — some with handguns and others with rifles. The spokesperson said that all units with firearms have been trained and are operating under strict rules for use of force.

Video above: President Trump greets, thanks National Guard and federal agents during trip into D.C.

An Associated Press photographer on Sunday saw members of the South Carolina National Guard outside Union Station with holstered handguns

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