An office building was evacuated Wednesday night. Police have found an unidentified substance there.
news.yahoo.com
The Homeland Security Department was investigating, but a senior counterterror official said it did not immediately appear to be an emergency.
Hazardous material teams and firefighters were dispatched to the Senate Russell Office Building after a sensor tested positive for a dangerous
substance, the counterterror official said. A second test proved negative, and officials were conducting a third test in the evening for more
conclusive results.
Please visit the link provided for the complete story.
There is not much information at this time. The article states that this does not appear to be any emergency. Officials are now investigating.