By Roberto Bustamante
The Pentagon is closed and several areas of the building were evacuated while Specialized hazardous materials teams head to defense facilities.
The building’s systems “detected an air quality issue that requires precautionary measures until its severity is identified,” a Pentagon spokesperson told CNN reporter Haley Britzky.
The Arlington County Fire Department also confirmed that its hazardous materials team is responding to a “hazardous materials incident” in progress.
ACFD objects, along side our Perilous Affords Team, are currently working at the Pentagon in enhance of PFPA’s Hazmat Team for the length of a perilous materials incident. pic.twitter.com/7qzOzbwh8W
— Arlington Fireplace & EMS (@ArlingtonVaFD) June 11, 2026
Pentagon spokesman Sean Parnell confirmed that Pentagon systems “have detected an air quality issue that requires precautionary measures until its severity is identified.”
“The Department is implementing standard protection protocols, including a confinement order for the affected areaParnell stated. “Response teams are deployed and ready to provide support to building occupants.”
The second through fifth floors, in hallways four through seven of the sprawling Pentagon complex, have been closed, according to two sources consulted by CNN.
A third source informed the same media that the police in the building wear gas masks and full chemical protection equipment.
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