Five people were killed by gunshots in the northern German city of Stade, prompting a large police operation.
Police authorities have advised residents to avoid the area and follow the instructions of emergency personnel.
The Lüneburg Police Directorate confirmed that an operation is underway in Stade following the incident.
Stade, situated along the lower River Elbe, has a population of roughly 50,000 residents.
Authorities urge the public to remain vigilant and comply with official guidance as investigations continue.