Multiple crews responded to a house fire on N. JB Dennis Road Monday morning, according to the Kingsport Fire Department (KPD). A spokesperson says that the home was a vacant structure, and volunteer firefighters with Warrior’s Path and Bloomingdale brought water tankers to assist with the efforts. Other responding agencies included the Kingsport Fire Marshal’s Office, the Kingsport Police Department, Sullivan County Sheriff’s Office, Sullivan County EMS and SC Constable.The cause of the fire remains under investigation