as a precaution, is the sorting centre evacuated. Two people would with the stuff have come in contact, and were disinfected and placed in quarantine. The employees exhibit currently no symptoms, but as a precaution transported to the hospital, until it is clear what the white powder is exactly.
The envelope is taken by a HAZMAT team from the fire brigade in an isolated vessel placed. That barrel will be by the c civil protection, to be picked up so that the powder can be analysed.