Letter opened at Virginias Joint Base Myer-Henderson Hall triggers hazmat situation; 11 feel ill

Emergency crews respond after 11 people started feeling ill after a suspicious letter was opened; 3 were transported.

Investigators are looking into an apparent hazmat situation at Joint Base Myer-Henderson Hall in Ft. Myer, Virginia, after a number of people began feeling sick after opening a letter, officials said.

Arlington Fire, one of the units responding to the scene, said "11 people started feeling ill after the letter was opened" in an administration building. Three patients were hospitalized and were said to be in stable condition.

According to the U.S. Marines, personnel took "preventative measures? and evacuated people from the building.

"Several Marines are receiving medical care as a result of this incident," they added.

According to a news release, the affected building was investigated and cleared.

"Joint Base Police Department officials are working with local HAZMAT teams, NCIS and the FBI," the news release said. "The letter was removed, and NCIS and FBI are conducting a joint investigation.

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