Station 74 units responded for a reported MVC with roll-over and power lines down in the roadway. The accident involved a dump truck which ended up on it's side. The incident occured on Waller Road near Calvary Circle on the Maryland side. One patient was transported to the hospital. Units on-scene were; Paramedic B-74, Rescue 74, Engine 74-3, Traffic Control 74-9, Wicomico County Sheriff's Office and Wicomico County Emergency Management. Waller Road was closed for several hours.