(KMOV) St. Louis County Police confirm that a vehicle hit a bicyclist early Saturday morning.
The SUV struck the male bicyclist at the 4200 block of Delmar around 3:10 a.m.
According to police, the bicyclist was going the wrong way and collided with the SUV head-on.
The female driver and three other passengers who were in the SUV stayed at the scene and cooperated with authorities.
The 49-year-old bicyclist was transported to the hospital in critical condition.
An accident reconstruction team was on the scene for two hours.
Investigators are determining whether alcohol or drugs were involved in the accident.
No charges have been filed at this time.