Updated at 8:35 a.m. with information from the Associated Press:
The Missouri Highway Patrol confirms that one driver is dead and another injured in the multi-vehicle crash on I-44 near Six Flags St. Louis. The accident occurred in dense fog.
The accident happened about 5 a.m. this morning and closed the westbound lanes of I-44.
Sgt. Al Nothum of the Missouri State Highway Patrol says a tractor-trailer driver swerved to avoid a car that had become disabled in the middle of the roadway, and clipped the rear of the car. The semi overturned, killing the driver, whose name was not immediately released. It wasn't immediately clear if the fog was a factor in the wreck.
The driver of the disabled car was also hurt and taken to a hospital.
Traffic backed up for miles after the accident that closed all westbound lanes for hours.
Westbound I-44 in Eureka is closed because of a multi-vehicle crash. The Missouri Highway Patrol is on the scene.
The patrol says one person was possibly killed in the crash and fog could be to blame.
Motorists are being forced to exit at Six Flags. The Missouri Department of Transportation estimates the road closure to last about four hours.