The FBI is investigating suspicious packages with apparent explosive components at several U.S. military installations and intelligence facilities in the Washington, D.C., area Monday, a law enforcement official said.
The National Defense University at Fort McNair in D.C. received a suspicious package about 8:30 a.m., and the building was evacuated.
The package tested positive for black powder, which can be used to make explosives, according to Fort McNair. An X-ray showed what appeared to be GPS and a fuse. It was rendered safe and the building was cleared about 1:15 p.m. The components are being investigated.
Suspicious packages were sent to two sites at Fort Belvoir in Virginia Monday afternoon: The National Geospatial-Intelligence Agency and another defense university. One contained liquid in a vial and a circuit board, the law enforcement official said. It also was rendered safe.
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