A shooting at an outdoor dance party in Switzerland left one person dead and five injured.

The scene of the mass shooting in Switzerland is under lockdown on the 30th (local time). /Courtesy of EPA-Yonhap

At about 2:30 a.m. on the 30th (local time), a shooting occurred during a rave (an all-night party with electronic music and dancing) held at a racetrack in Aarau, Aargau, Switzerland, according to CNN in the United States. A 22-year-old woman was killed, and four men ages 24 to 27 and one woman were injured and are being treated at a hospital.

All six victims live in Switzerland, and the woman who died was an Italian national, CNN said.

A witness said, "At first I thought it was fireworks," and added, "Around 2:30 a.m., the music suddenly stopped and I heard gunshots."

Police are tracking the suspect, and the exact motive has not yet been determined.

Switzerland is among the European countries with high civilian gun ownership, but shootings are relatively rare. A 2019 referendum approved tighter gun regulations.

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