The Duisburg firefighters from Fire & Rescue Station 3 (Hamborn) respond to flames spreading through the stairwell of a multi‑family building, forcing residents to flee in panic. Quickly containing the fire and rescuing occupants is critical. Meanwhile, the Christoph 9 air rescue helicopter is deployed to a serious motorway collision with a critically injured young man. In an unusual non‑fire incident, crews help a man who has trapped his finger in a mailbox.