Smoking Packages Raise Alarm in Maryland, D.C.

Jan. 7, 2011: Law enforcement officials are seen near a postal sorting facility in Washington after a package ignited. (AP)

Jan. 7, 2011: Law enforcement officials are seen near a postal sorting facility in Washington after a package ignited.

Jan. 7, 2011: Law enforcement officials are seen near a postal sorting facility in Washington after a package ignited.

Jan. 7, 2011; Maryland State Police Superintendent Col. Terrence Sheridan, left, and Maryland State Fire Marshall William Barnard brief reporters on the investigation of explosive packages sent to Gov. Martin O'Malley and Transportation Secretary Beverley Swaim-Staley. (AP)

Jan. 6, 2011: Maryland State Police spokesman Greg Shipley holds up a copy of a photo of a threatening package that was mailed to Maryland Gov. Martin O'Malley, in Annapolis, Md. (AP)

Jan. 6, 2011: Emergency personnel examine a package outside of the Jeffrey Building on Francis Street in downtown Annapolis, Md. Mailrooms at state offices across Maryland were being quarantined until it could be determined if other packages had been sent.

Jan. 6, 2011: Frances Street in Annapolis, Md., is blocked off as officials investigate a suspicious package in the Jeffery Building. (AP2011)

Jan. 6, 2011: Police and fire vehicles sit outside of the Maryland Department of Transportation building after a package ignited earlier in the day. (AP2011)

Jan. 6, 2011: Police and fire vehicles sit outside of the Maryland Department of Transportation building after a package ignited exploded earlier in the day.

Jan. 6, 2011: Firefighters sit outside of the Maryland Department of Transportation building after a package ignited earlier in the day. (AP2011)