2. Police cars blocking off entrance to Capitol, pan to cement boulders on a truck
3. Wide shot of boulders in front of Capitol
4. Senate office buildings in the Hart building
5. Police tape in the Hart Senate office building
6. Shots through the window of Senator Daschle's office
7. Police tape around Senator Daschle's office
8. Officer standing outside Daschle's office
9. Shots of line of Senate staffers waiting to get tested
FOX - Washington, DC Oct. 17, 2001
10. Hastert and other congressmen walk to microphones
11. SOUNDBITE: US House Speaker Dennis Hastert
"There's a number of cases that have happened out of an incident in Senator Daschle's office. The Senate is basically going to do their work today and then suspend so that they can go thorough and do the environmental screens they need. We, too, in the House, we don't know what's come through our postage machines. We aren't sure what has been distributed, We've held the mail in our members' offices. But we think it's prudent also to take the time and go through and make sure that this building, this building and our office buildings are environmentally safe."
12. Wide shot of Hastert speaking
13. SOUNDBITE: US House Speaker Dennis Hastert
"They're going to be sweeping Senate buildings today, and we just will do a routine, methodical sweeping of buildings. There is no evidence that there is, but because of packages that went through the Senate machines, they did find spore on them, they did find spore that was going through the ventilation system in the Senate, and to give people piece of mind, plus the safety of the members and staff, that we continue to do our work in Congress, we think it's precautionary and prudent to make sure that everything's okay on the House side, as well."
POOL - Washington, DC OCt. 17, 2001
14. Tommy Thompson testifying before Senate committee
15. Cutaway of Thompson testifying
16. SOUNDBITE: US Health and Human Services Secretary Tommy Thompson
"There are over 20 individuals on the staff that have the anthrax within their system, that tested preliminarily positive. We have provided at the present time 12 hundred bottles of Cipro."
17. Cutaway of Senator Lieberman listening
18. SOUNDBITE: US Health and Human Services Secretary Tommy Thompson
"The tests have not been finalized, so I don't want to speculate, but there is no question that this is a very serious attempt at anthrax poisoning."
U-S congressional leaders arranged for an unprecedented shutdown of the House and possibly the Senate on Wednesday after more than two dozen people in Senate Majority Leader Tom Daschle's office tested positive for exposure to a highly potent form of anthrax.
House Speaker Dennis Hastert said lawmakers would go home at days' end, and the buildings on one side of the Capitol complex submitted to a "methodical sweeping" to check for evidence of anthrax.
There was no immediate announcement from Senate leaders, as they grappled with the news that numerous aides to Daschle and two Capitol police officers had tested positive for exposure after being in the vicinity of an anthrax-laced letter opened in the senator's office.
Hastert said lawmakers and staff would be sent home to permit health officials to conduct tests through the capitol complex, where more than 20-thousand people work.
Five weeks after the worst terrorist strikes in U-S history killed more than 5-thousand people in New York and Washington, the discovery only added to anxiety in the United States.
Three government sources, all speaking on condition of anonymity, said preliminary testing indicated the anthrax found in Daschle's office had been refined enough so that it could be easily dispersed through the air.
One said the anthrax was in a purified form that could be used as a weapon.
At a hearing before a Senate committee, Health and Human Services Secretary Tommy Thompson said more than 20 people had tested positive for exposure.
Asked about the particular strain in the Daschle letter, Thompson said it was a "very serious attempt at anthrax poisoning."