CNN is reporting that The Discovery Channel in Silver Spring, MD sent an e-mail to all employees in the building at 1:21 p.m. telling them they "have reason to believe there is an armed gunman at One Discovery Place." It is also believed that the gunman is in possession of an explosive device and has taken at least one person hostage. The SWAT team and the Fire Marshals with explosive experience have arrived. The Discovery Channel Daycare has been evacuated. This story is developing.
Authorities have identified the man holding hostages in the Discovery Channel headquarters as James Lee.
Check back for updates.
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