Six were injured – including three children – during a Monday morning crash on Viola Highway.The driver, Marcus Boren, 30, and his fiancé Veronica Gault, 26, were both airlifted to Vanderbilt University Medical Center from the scene of the accident. Backseat passenger Krista Hilliard, 26, was airlifted to Erlanger Medical Center. They were all seriously injured, but their injuries are not believed to be life-threatening.