D.C. Mayor Vincent Gray and two of his top security officials were online at washingtonpost.com today taking questions from readers about the how the D.C. government is dealing with the local fallout from the death of Osama bin Laden.

Gray, Police Chief Cathy L. Lanier and Homeland Security Director Millicent W. West answered a host of questions, including ones about the public transit system, evacuation procedures, helicopters and guns.

http://live.washingtonpost.com/dc-mayor's-office-live:-vincent-c-gray-and-police-chief-cathy-lanier.html

For more of the Post’s bin Laden coverage: http://www.washingtonpost.com/world/national-security