Man arrested after shooting at Swiss techno rave that killed Italian woman

A 22‑year‑old Italian woman was pronounced dead and several other attendees were injured after a violent incident erupted at a techno rave held in the Swiss town of Aarau on Saturday night. Emergency services responded to calls from the venue, where the gathering, which attracted a crowd of young adults, was taking place in a private warehouse. Police confirmed that the victim, identified as an Italian national, succumbed to her injuries at a local hospital, while the injured were treated for a range of trauma and shock.

Authorities have launched a criminal investigation, collecting video footage and witness statements to determine the cause of the disturbance. The Aarau police department said the incident appears to be isolated and not linked to any organized criminal activity, but emphasized that the investigation is ongoing. The event has prompted local officials to review safety protocols for similar underground music events, and a spokesperson for the city expressed condolences to the victims' families while urging the public to cooperate with law‑enforcement efforts.