Reports: 11 Fall Ill at Va. Military Base From 'Suspicious' Letter

Eleven people fell ill and three were hospitalized Tuesday after a suspicious letter was opened at a military base in Northern Virginia outside Washington, according to news reports.

The Arlington County Fire Department said that the letter containing the suspicious substance was opened in the Consolidated Administration Building at Joint Base Myer-Henderson Hall in Arlington, WJLA-TV in Washington reports.

Those hospitalized were listed in stable condition later Tuesday.

According to CNN, a corporal, gunnery sergeant and a colonel "exhibited symptoms of burning hands and face and one person had a nosebleed" when the letter was opened.

Located near Arlington National Cemetery, the base is commanded by the U.S. Army and serves personnel from all four military branches who work in the Washington region.

The incident remained under investigation, according to news reports.

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