The Virginia State Police Is Probing A Fatal House Fire In Russell County. Authorities Are Looking Into The Cause And Origin Of The Blaze At The Request Of The Russell County Sheriff’s Office. Police Arson Investigator Special Agent J.J. Kite Said The Body Of 39 Year Old Loida Riggs Of Castlewood Was Found Inside A Trailer Off U.S. Highway 58. Foul Play Is Not Suspected.