[UPDATED — 12:52 p.m. EDT]
The Pentagon returned to normal operations Thursday afternoon after a hazardous materials scare that prompted evacuations, a temporary lockdown, and a large emergency response was ultimately determined to be a false alarm.
[ORIGINAL ARTICLE]
The Pentagon entered lockdown Tuesday after a hazardous materials incident prompted emergency evacuations on several floors of the Defense Department headquarters, drawing a rapid response from specialized hazmat teams.
Arlington County fire and rescue officials said firefighters were investigating a hazardous materials incident at the Pentagon. Details about the substance involved, the scope of the response, and whether anyone was injured were not immediately available.
The lockdown came as emergency crews moved into the massive defense facility, one of the most secure and sensitive government buildings in the country. Multiple floors were evacuated as a precaution while authorities assessed the situation.
Details Remain Limited
The incident was still developing Thursday morning, and officials had not publicly said what triggered the hazmat response.
The Independent first reported that the Pentagon was on lockdown as hazmat teams rushed to the facility. Reuters later reported that Arlington County fire and rescue officials confirmed firefighters were investigating a hazardous materials incident.
Authorities did not immediately release information about possible exposure, contamination, or damage inside the building.
Security Response at a Sensitive Facility
The Pentagon houses the Department of Defense and serves as the nerve center for U.S. military operations. Any emergency response inside the building immediately draws heightened attention because of the facility’s security posture and national importance.
Hazmat responses can be triggered by a wide range of incidents, including suspicious substances, chemical exposure concerns, air quality alarms, or other potential hazards. Officials had not yet identified which applied in this case.
For now, the key facts are narrow but significant: the Pentagon was locked down, multiple floors were evacuated, and hazardous materials crews were called in to investigate.
The situation remains developing.
This is a breaking news story. Please check back for updates.
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