A gunman, possibly carrying explosives, has entered the headquarters of the Discovery Channel and fired shots and taken hostages, according to police and witnesses in Silver Spring, Md.
Employees at the building were told to take cover in locked offices and police have sent SWAT teams to the area to seal off nearby roads.The FBI and agents from ATF, including explosives experts, also rushed to the building.
Capt. Paul Starks said the gunman was an Asian man who had what may be an explosive device strapped to his body. Starks said there "may be other potential devices" with the gunman.
The captain said, "His beef is with Discovery."