A police operation is underway across Switzerland following a shooting at a horse racing track. The incident occurred during a rave music event, leaving one person dead and five injured. Authorities have launched a nationwide search for the suspected shooter, details of whom remain scarce. The event was reportedly well-attended, raising concerns about the potential for further incidents. Investigations are ongoing to determine the motive behind the shooting and to identify all those involved. Swiss police are maintaining a heightened state of alert as the search continues. The shooting has prompted immediate security reviews at similar events across the country.