Lara Seligman
The lockdown has now been lifted, per @SeanParnellASW. It was a false alarm. H/t @halbritz for first reporting. "Earlier this morning, Pentagon occupants were notified of a potential air quality issue, prompting immediate precautionary safety measures and evaluation. Subsequent testing confirmed no hazard exists, and normal operations have resumed." - Parnell
Lara Seligman
As of a few minutes ago, Pentagon officials affected by the lockdown said the shelter-in-place had not been lifted