( CNN ) -- The U.S. Embassy in Stockholm , Sweden , was briefly evacuated Wednesday after an alarm was raised over a suspicious envelope containing white powder , Stockholm police said . Stockholm police are moving the envelope to a secure location in order to examine it , police spokesman Albin Navery said . `` The embassy has been evacuated and we are working with Swedish authorities to investigate the incident , '' a U.S. State Department official told CNN . All employees are accounted for , the official said . The all-clear has now been given and staffers have begun to return to the building , CNN affiliate TV4 said . CNN 's Saskya Vandoorne and Jamie Crawford contributed to this report .
The embassy was briefly evacuated after a suspicious envelope sparked an alert . The envelope contained white powder , Stockholm police said . Stockholm police will examine the contents of the envelope in a secure place . The all-clear has now been given , CNN affiliate TV4 reports .