- Swiss police have arrested a 43-year-old Swiss man on suspicion of carrying out a deadly shooting at a rave in Aarau.
- A 22-year-old Italian woman was killed and five other people aged between 24 and 27 were injured in the attack at a covered horse race track.
- Investigators believe a single perpetrator was involved and are examining motives including a mass shooting, terrorism, or an unknown criminal act.
- Cartridges recovered from the crime scene indicate two calibres of ammunition were used, potentially from a pistol and an assault rifle.
- All five injured victims are residents of Switzerland and were taken to hospital with injuries ranging from minor to severe.
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