Pentagon orders shelter in place after air quality issue triggers hazmat response

ARLINGTON, Va. – A hazardous materials incident prompted an emergency response at the Pentagon on Thursday morning after air‑quality sensors detected an issue inside the building.

Defense Department spokesperson Sean Parnell told FOX 5’s Bob Barnard that hazmat teams were sent to scrub areas in the A Ring, the centermost of the Pentagon’s five rings. 

Hazardous materials incident at Pentagon prompts emergency response

As of late morning, no hazardous materials had been found, and authorities said nothing appeared nefarious.

A shelter‑in‑place order was issued for affected areas, including corridors 5 and 6. 

Pentagon officials said key operations were not impacted, noting that the National Military Command Center and Joint Staff are not located in the affected corridors.

This is a developing story. Stay with FOX 5 for the latest.