US / raves 3 Die After Attending LA Rave 9 were transported to hospitals from electronic music festival By Newser Editors and Wire Services Posted Aug 1, 2016 7:20 PM CDT Copied In this Sunday, July 31, 2016, photo, people attend the HARD Summer Music Festival at the Auto Club Speedway in Fontana, Calif. (John Valenzuela/The Sun via AP) Authorities say three people died after attending a weekend rave in Fontana, Calif., the AP reports. San Bernardino County Sheriff's Department spokeswoman Jodi Miller said Monday that nine people were transported from the HARD Summer Music Festival, and three were pronounced dead at local hospitals. Two deaths occurred Saturday and one on Sunday. Miller says the cause of each death remains unknown. Authorities identified the dead as 22-year-old Derek Lee of San Francisco, 21-year-old Alyssa Dominguez of San Diego, and 22-year-old Roxanne Ngo of Chino Hills. The electronic dance music festival was held at an outdoor venue about 50 miles east of Los Angeles. (This college student who died at a rave allegedly went without medical attention for half an hour.) Report an error