A SWAT team is on the scene, CBS News reports. The man is being watched on closed-circuit television, and a tactical team is trying to reach him.
Sheree Mixell, assistant special agent in charge of the Baltimore field division office of the Bureau of Alcohol, Tobacco, Firearms and Explosives, said agents are responding to the scene.
The building has been evacuated.
WJZ has learned at 1:20 p.m. all employees received an email warning employees to lock themselves in an office. At 1:22 p.m., all employees received another email saying they were evacuating the building through a specific entrance/exit.
Stay with WJZ.COM for the latest on this developing story.
channel 13-Baltimore.
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