Longworth House Bldg. (Washington DC) being evacuated.
CNN Breaking.
UPDATE:
http://today.reuters.com/news/articlenews.aspx?type=domesticNews&storyID=2007-01-16T180400Z_01_N16422415_RTRUKOC_0_US-USA-CONGRESS-EVACUATE.xml&WTmodLoc=USNewsHome_C1_%5BFeed%5D-9
"Police give "all clear" in House evacuation"
Tue Jan 16, 2007 1:04pm ET
WASHINGTON (Reuters) -
ARTICLE SNIPPET: "A police spokeswoman was not immediately available to comment on what may have caused the alarm, but a House aide said an "all clear" was given."