A man is holding a woman hostage inside a supermarket on Hildburghauser Straße in Marienfelde, and Berlin police maintain contact while a wide cordon seals the scene.Stefan Petersen‑Schümann says negotiators and tactical units are on site and that officers have restricted access to the Tempelhof‑Schöneberg block, but he declines to provide further tactical details.Authorities have closed nearby streets, urged residents to avoid the area and say the operation is ongoing while they attempt to resolve the situation safely.