RV Destroyed by Fire at Naples Campground 

State investigators are looking into an explosion at the four seasons campground in naples Wednesday night.The fire reportedly leveled a camper.Naples Fire Chief Chris Pond said the apparent owner of the trailer left in a car, which he crashed a short distance from the campground. He was taken to a hospital for treatment of second-degree burns to his arms.At the campground, 29-year-old Jessica Jackson of Casco was arrested, accused of assaulting an investigator from the State Fire marshal’s Office.