Overview
- Firefighters responded late morning to the Rossmann on Hauptstraße after a smaller explosion and visible smoke.
- The mixed residential-and-commercial building was cleared, and police closed off the area and access roads.
- About ten shoppers and four residents left the premises safely, according to local reporting.
- The blaze was brought under control by midday, though investigators have not determined what sparked it.
- Polizei Ulm is leading the probe, and arson has not been ruled out at this preliminary stage.