A "suspicious package" was delivered to Joint Base Andrews in Maryland on Nov. 6, prompting an evacuation and investigation into the incident, officials said.

A Joint Base Andrews spokesperson told USA TODAY on Thursday, Nov. 6, that "a building and a connecting building" were evacuated "as a precaution" after a person opened a suspicious package. A cordon was established around the area, and first responders were sent to the scene, according to the spokesperson.

"Joint Base Andrews first responders were dispatched to the scene, determined there were no immediate threats, and normal operations have resumed," the spokesperson added. "An investigation is currently ongoing."

Joint Base Andrews, one of the most sensitive military bases in the United States and home to Air Force One, is located in Prince George's County, Maryland. The base is just southeast of Washington, D.C.

This article originally appeared on USA TODAY: Joint Base Andrews opens investigation after receiving 'suspicious package'

Reporting by Thao Nguyen, USA TODAY / USA TODAY

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