Police believe a 1990s model Toyota Corolla might have been one of three cars that left the scene Saturday night after a fatal accident on Gordon Highway. One teenager was killed and another seriously injured around 11:40 p.m. as they tried to cross the eastbound lanes of the 1400 block of the busy highway between Old Savannah Road and Doug Barnard Parkway. The Corolla is believed to have struck both teenagers and left the scene.