A shooting at a rave in Aarau, Switzerland, attended by 3,500 people left one dead and five injured, prompting a large-scale police response on Sunday.

Manhunt underway after attack at techno party in Aarau, but police admit investigation is in early stages, and they have little information about perpetrator or their motives

Swiss police and media say that a shooting at a rave in the northern Swiss canton of Aargau has killed one person and left five injured.