A letter containing a suspicious powder was found in the Antwerp district of Deurne on Tuesday morning, according to local police.
The letter arrived at a private address on Karel Govaertsstraat. The fire brigade and Civil Protection were called to the scene of the incident.
Medical emergency services were deployed as a precaution.
There are no reports of injuries. The person who came into contact with the letter reportedly had no complaints.
The substance in the letter is still being analysed.
The police launched an investigation into the incident. It is not yet clear whether there is a possible link to drug crime.
