Evacuations and security protocols were activated in certain sections of the Pentagon's main building due to an air quality issue detected within the U.S. Department of Defense headquarters.
Pentagon spokesperson Sean Parnell announced that building systems identified a problem related to air quality, prompting the launch of an investigation.
Officials stated that personnel in the affected areas were instructed to remain where they were. Emergency response teams were also reported to be operating inside the building.
Local sources indicated that some floors and corridors within the Pentagon complex were temporarily closed off.
Security and hazardous materials teams, supported by the Arlington County Fire Department, conducted operations at the scene. Firefighters confirmed that a hazardous materials operation took place inside the Pentagon building.
The investigation into the cause of the air quality issue is ongoing. Authorities have not yet provided detailed statements.