Another person has died following May 29's POP2010 at the Cow Palace, according to the San Francisco Chronicle. Trung Nguyen, 25, of San Jose died yesterday at Washington Hospital in Fremont. A cause of death has not yet been determined. Anthony Mata, 23, of Santa Clara, died a week ago from an overdose of ecstasy. As a result, some officials are calling for a ban on dance events at the Cow Palace.