Hawkins County Detectives Are Investigating An Alleged Ambush Of A Pizza Delivery Driver. Michael Macgregor, Of Pizza Plus In Surgoinsville Told Authorities He Went To A Home On Stanley Valley Road Saturday Night To Make A Delivery When A White Male In A White Dodge Pickup Truck Tried To Block Him In The Driveway And Then Pursued Him And Tried To Run Him Off The Road Several Times. Authorities Are Questioning A Suspect But No Charges Have Been Filed.