An early-morning fire destroyed a restaurant and kitchen supplier Sunday, according to a release from the Bristol, Virginia Fire Department.Fire crews responded to a structure fire on Commonwealth Avenue at 2:30 a.m., the release said, and were met with large flames engulfing the roof.The Bristol, Tennessee Fire Department and Bristol Life Saving Crew arrived to direct traffic and manage the scene.Becasue nof the source of the flames firefighters had to enter the structure through the roof to douse the flames.