(KMOV.com) -- Police are investigating a head-on crash that seriously injured a driver and a toddler in St. Charles on Saturday.
The accident happened in the 2800 block of West Clay around 12:05 p.m. According to police, a black Hyundai sedan was traveling eastbound when it crossed the center line and collided with a red Toyota sedan head-on. A third vehicle, a silver Toyota SUV, was also struck.
The adult driver of the red Toyota and three-year-old passenger were transported to an area hospital with serious, life-threatening injuries. The driver of the black Hyundai and another passenger in the red Toyota suffered injuries not considered life-threatening.
No injuries were reported from the silver Toyota SUV.
Police are still investigating to determine the cause of the crash. Anyone with information on the accident is asked to contact the St. Charles Police Department at 636-949-3520, or anonymously through CrimeStoppers at 636-949-3333.