Saturday evening at the sold out 2013 HARD Summer EDM festival in Los Angeles State Historic Park, a concert attendee died of cardiac distress and passed away at the hospital. Live Nation claims to have had all proper medical staff on the premises and the patron received CPR within two minutes of notification.Hard Summer is run by HARD Events‘s founder Gary Richards (Destructo). Headliners for this year’s event include Bassnectar, Duck Sauce, Dog Blood (Skrillex and Boys Noize), Justice (DJ Set), Flying Lotus, Knife Party, and Empire of the Sun. On twitter, Flying Lotus claims to have witnessed the event firsthand.Damn. I saw a guy die before I played my set. Heavy.— FLYLO (@flyinglotus) August 4, 2013Official statement from Live Nation:During Saturday evening’s event held at Los Angeles State Historic Park, a patron experienced cardiac distress and sadly passed away at the hospital. Our thoughts and prayers go out to his family and friends.Our guests’ safety and well being is of paramount importance at every Live Nation event. We have skilled EMT’s, police, and security staff deployed on site to respond to any emergency situation and last night members of this emergency team were with this patron and administering CPR within two minutes of notification. We work closely with local health and safety authorities to plan for emergencies and set the appropriate staffing levels for each event.