Police in Stade, a northern German city, are running a major operation after gunfire is reported to have been fired. Multiple reports say several people are killed, with early figures ranging from at least five to at least six deaths. Authorities describe the situation as dynamic as they respond to the incident and investigate what happened. Reporting from different outlets indicates the police move quickly to detain people at the scene during the operation. Deutsche Welle reports that police have arrested two suspects. Other coverage also describes police detaining a male suspect while the operation continues. The incident prompts a significant police presence and an active investigation into the circumstances of the shooting and the identities and roles of those detained. Local and national authorities continue to assess casualties and confirm details as information is updated during the ongoing response.