A Christopher Street Day event in Berlin was attacked on Saturday night in an incident involving a vehicle, according to police. The annual celebration in the German capital draws large crowds each year, making the attack especially alarming for participants and organizers.

Authorities said a 21-year-old was involved in the Berlin CSD vehicle attack. While investigators work to establish the full circumstances, the case has already drawn attention because it fits a grim pattern seen in other countries, where cars or vans are used to target people in public spaces.

The Berlin incident is the latest in a string of deadly vehicle attacks that have raised security concerns at parades, festivals and demonstrations. These assaults are difficult to predict and can cause major harm in crowded urban settings, even when events have visible police presence and traffic controls.

Recent years have brought similar attacks in the United States and China, highlighting how vehicle rammings have become a recurring global threat. In Germany, the attack is likely to renew debate over crowd protection, street barriers and safety planning for high-attendance public events such as Christopher Street Day.