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

From the article: "...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..."

Article Reference: www.foxnews.com