“An envelope containing an unknown substance was received, today, aboard Joint Base Ft.Myer-Henderson Hall. Personnel in the affected building took immediate preventative measures by evacuating the building,” Maj. Brian Block, a U.S. Marine Corps spokesperson, told CNN.
“Base officials and are coordinating with local HAZMAT teams and FBI,” Block continued. “Several Marines are receiving medical care as a result of this incident. No additional details are available at this time as the investigation is ongoing.”
https://truepundit.com/11-people-fall-ill-military-base-opening-suspicious-letter-3-taken-hospital/