The shooting took place in a nightclub called ‘Grey’ on Max-Stromeyer Strasse at around 4:30am, according to local media.
Nach Schießerei in Konstanz besteht aktuell keine Gefahr mehr! Die Polizei hat die Ermittlungen aufgenommen. Näheres folgt in Kürze.
— Polizei Konstanz (@PolizeiKonstanz) 30 июля 2017 г.
The shooter was fatally wounded in an exchange of fire with police and died in hospital, Konstanz Police say. They tweeted that there no risk at the scene and that an investigation is underway.
“There were injured in the shooting. Visitors could save themselves by escaping into the open or hiding,” a police spokesman said, Bild reports.
Special police and a helicopter were deployed to the scene in case there were more than one shooter, Konstanz Police say.