Police say more than 600 people sought medical treatment and 101 felony drug arrests were made during the three-night Electric Daisy Carnival, which came to a close early Monday in Las Vegas.
A stage blaze briefly marred the second night of the event, which drew almost 135,000 people per night to the Las Vegas Motor Speedway.
Clark County Fire Chief Gregory Cassell says a stagehand received minor burns when a propane-fueled pyrotechnic device malfunctioned early Sunday. But firefighters on standby at the event quickly doused flames, and the stage show resumed within about an hour.
Police say five people were arrested on misdemeanor charges and 18 received misdemeanor citations during the weekend. Eight others were arrested on drunken driving charges.
Event sponsor Insomniac Productions reported total attendance at 401,000 people.