11/23/18 at 12:33 Sussex EOC alerted Sta. 77 (Georgetown), Sta. 85, Sta 75 (Ellendale) for a commerical building fire at the Royal Farms on DuPont Blvd. Arriving units found a moderate smoke condition inside and still filling up the store. Both ladder companies investigated the roof and mechanical units to find one malfunctioning. All power and gas was secured, smoke conditions dissipated and used PPV fans to clear out the business.