O’FALLON, Ill. (First Alert 4) – A fatal accident in O’Fallon caused all eastbound lanes of I-64 to be shut down for a couple of hours on Christmas morning. According to O’Fallon Fire Rescue, the crash was reported just before 3:30 a.m. on I-64 at mile marker 19. The accident, which involved two vehicles, resulted from a driver going westbound in the eastbound lanes, crashing head-on into another driver.