A quiet suburb near Hamburg was shattered Monday after a mass shooting in the German city of Stade left at least five people dead, with authorities warning that the toll could still rise as the situation remains fluid.

Police confirmed the fatalities following the attack and said several additional victims were injured, some seriously, according to updates provided by the German Press Agency (dpa).

“Several people” remain hospitalized with significant wounds, a police spokeswoman said, adding that investigators are still working to determine the full scope of what unfolded.

The incident escalated further as new details emerged from law enforcement updates throughout the afternoon.

In an earlier development, German authorities arrested a second person in connection with the shooting. According to reporting cited by Focus magazine, an eyewitness described seeing a man inside a vehicle being driven by a woman who fled the scene. The witness said police attempted to stop the car before officers opened fire on the vehicle during the pursuit.

Officials have not fully clarified the role of the individuals detained, and the investigation remains ongoing.

What is already clear, however, is that the attack has once again placed public safety and policing under intense scrutiny in Germany — a country that has seen growing concern over violent incidents in recent years, particularly in urban and suburban areas once considered relatively secure.

Authorities have not released a confirmed motive, and details surrounding the sequence of events remain under investigation.

For now, residents in Stade are left with a familiar aftermath of modern European tragedies: emergency sirens, unanswered questions, and a rising death toll that may not yet be final.

As investigators piece together what happened, the central focus remains on identifying how the attack unfolded, whether additional suspects were involved, and what could have been done to prevent it.