Several reported sickened after hazmat situation reported at Joint Base Myer-Henderson Hall

Brett T. | 6:39 PM on February 27, 2018

Within the hour, a hazmat situation was reported at Joint Base Myer-Henderson Hall, a Washington-area military base.

Update: Regional HazMat Team is making entry to ID substance @ArlingtonVaFD @AlexandriaVAFD #BREAKING pic.twitter.com/KaexXtx1tS

— IAFF LOCAL F253 (@FortMyerFire) February 27, 2018

BREAKING Hazmat Situation Reported at Joint Base Myer-Henderson Hall. #JointBaseMyer https://t.co/pjVpYQiWgt pic.twitter.com/ny5R3OO8TK

— Shomari Stone (@shomaristone) February 27, 2018

An envelope containing an unknown substance was received, today,
aboard Joint Base Myer-Henderson Hall. Personnel in the affected building took immediate preventative measures by evacuating the building.

— U.S. Marines (@USMC) February 27, 2018

Base officials are coordinating with local HAZMAT teams and @FBI. 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.

— U.S. Marines (@USMC) February 27, 2018

UPDATE: Marines Fell Ill at Joint Base Myer After Opening Letter, Sources Say. #JointBaseMyer https://t.co/pjVpYQiWgt pic.twitter.com/m14UMoIzDk

— Shomari Stone (@shomaristone) February 27, 2018

#BREAKING: 11 people at Joint Base Myer-Henderson Hall in Arlington, Virginia have fallen ill after being in the vicinity of a suspicious letter

3 taken to hospital experiencing symptoms including burning hands and bloody noses.pic.twitter.com/UXTEhtvQpP

— Ryan Saavedra (@RealSaavedra) February 27, 2018

The Washington Times now reports that a dozen people have been injured.

Twitchy will update this post as more details become available.