A Seattle Fire Department hazardous materials team is responding to a federal office building where an employee reported feeling sick after opening an envelope.
Department spokesman Kyle Moore says the worker felt nauseous and dizzy Thursday morning. Responders isolated the worker in one room and the envelope in another, but did not evacuate the building. Moore said the rest of the workers there were "sheltering in place."
The building, on East Marginal Way South, houses the Seattle branch of the U.S. Army Corps of Engineers.