Dover, TN – Two Stewart County Tennessee brothers died yesterday afternoon in a crash that injured three others. Highway Patrol Spokesman Mike Browning says Justin and Adam Pieratt of Indian Mound crossed the median on Highway 79. They were killed when their vehicle struck Donna Hillard's car head-on. Hilliard and two passengers traveling with the Pieratts suffered serious injuries. All were flown to Vanderbilt University for treatment.