I know this would be more appropriate to say when the hostages are safe-and-sound, but what do you think his "concerns" are? Is he just angry that Shark Week is over?
Washington Post: http://www.washingtonpost.com/wp-dyn/content/article/2010/09/01/AR2010090103911.html?hpid=topnews?hpid=artslot
"Cops: At least one hostage taken at Discovery Channel building
[Updated at 2:46 p.m.] Capt. Paul Starks said that police were in communication with the gunman, and that he was making some demands. The suspect had "concerns" with the Discovery Corporation, he said.
[Updated at 2:37 p.m.] CNN affiliate WJLA is reporting there was an ambulance on scene and a stretcher was seen being taken into the lobby.
WJLA: Discovery headquarters evacuated
[Updated at 2:34 p.m.] Lorie Rorae, an evacuated employee who worked on second floor, said security told him to leave the building.
Rorae said the security officer told her that two colleagues were being held hostage.
Rorae said there was an announcement telling employees what to do and where to go.
"It was orderly," Rorae said.
[Updated at 2:31 p.m.] Montgomery County Police said they are speaking with a man who has taken a hostage. Police described the man's grudge the following way: "His beef is with Discovery."
"We are speaking with him now," police said.
[Updated at 2:31 p.m.] A witness, Lisa Lucas, told CNN affiliate WJLA that she and others outside of the building heard at least one gunshot from One Discovery Place. Friz said that to the best of his knowledge no shots had been fired by police.
[Updated at 2:19 p.m.] The Discovery Channel day care has been evacuated to a nearby area, according to CNN affiliate WJLA. The day care had about 100 kids, WJLA reported.
[Updated at 2:18 p.m.] The FBI's bomb techicians and ATF agents have been sent to the scene of the hostage situation in a Washington suburb, spokesmen from both agencies said.
[Updated at 2:17 p.m.] Renard Jenkins, who works across from the Discovery Channel headquarters where the hostage drama is unfolding, said he sees the mobilization of a bomb squad and a large armored vehicle pulling a trailer.
"Police are on high alert, positioning themselves behind columns, cars, anything that gives cover. All have their weapons drawn," Jenkins said. "From what we're seeing, everyone seems to be calm."
He said he cannot see into the lobby where the hostage-taking is apparently under way, but can see the activity immediately outside.
[Updated at 2:07 p.m.] CNN affiliate WJLA is reporting that police told them a man entered the lobby and may have fired a weapon and declared, "Nobody is going anywhere."
[Updated at 1:52 p.m.] A SWAT team and additional resources are responding, said Montgomery County police Cpl. Dan Friz. Authorities were trying to get in touch with the man believed to have taken a hostage.
It appears the man has some kind of explosive device on his person, Friz said. Fire marshals with explosives experience were assisting.
[Updated at 1:44 p.m.] The Discovery Channel 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."
[Updated at 1:39 p.m.] At least one hostage is confirmed at the headquarters of the Discovery Channel in Silver Spring, Maryland, police said.
[Posted at 1:34 p.m.] A police emergency response team was responding to reports of a man with a gun and possible explosives at the headquarters of the Discovery Channel in Silver Spring, Maryland, a police spokeswoman said.
Montgomery County police received the call at about 1 p.m., said Angela Cruz. The call came from One Discovery Place, the channel's headquarters.
The area has been evacuated, Cruz said. No further information was immediately available."