A woman died on the campgrounds of the Firefly Music Festival in Dover.

Dover Police said 20-year-old Caroline Friedman of Philadelphia was attending the music festival and was found unresponsive at 6:30 a.m. Sunday, June 17, 2018 in camping lot 18 at Dover International Speedway.

She was taken to Bayhealth Kent General Hospital, where she was pronounced dead at 6:55 a.m.  

The cause of Friedman's death isn't known, but Dover Police said they don't suspect foul play.  

An official cause of death is pending an autopsy and toxicology results.