WCAU June 13, 2018 6:31 pm Delaware's Firefly Festival Set to Begin One of the largest musical festivals in the country is set to begin. Fans are already setting up camp ahead of Thursday’s opening at the Firefly Music Festival. US & World Videos 9:46 Another NJ earthquake: The Lineup 2:54 Penn leaders reiterate to pro-Palestinian protesters that they need to pack up camp 1:44 Pro-Palestinian protesters remain on UPenn's campus despite warnings to disband 1:30 Protests calling for ceasefire continue at Penn 6:33 Family affair: Former Eagle and new Eagle Jeremiah Trotter and Jeremiah Trotter Jr. speak out