UPDATE AT 12:34 P.M.: The suspicious envelope that sparked the evacuation of the fourth floor of the Henry M. Jackson Federal Building has been determined to not be a threat. Workers are being allowed back onto the fourth floor and the shelter-in-place order has been lifted.
The envelope had been left on a drinking fountain on the fourth floor.
ORIGINAL POST: The Seattle Fire Department’s hazardous-materials team has responded to reports of a suspicious envelope at the Henry M. Jackson Federal Building, 915 2nd Ave.
The fourth floor of the 37-floor building has been evacuated while occupants of all other floors have been told to shelter in place.
The Seattle Police Department’s arson and bomb squad is also on the scene.
Ayn S. Dietrich, spokeswoman for the Seattle office of the FBI, said the agency will be responsible for the subsequent investigation, but the initial response is being handled by the Seattle Fire and Police departments.
We’ll update this report as soon as we have more information.