Mexico Public Safety is investigating the cause of a serious crash on the U.S. 54 bypass in Mexico.
The crash is reportedly involving a tractor-trailer and a passenger vehicle.
Public Safety says the accident occurred at 2:04. The tractor-trailer overturned as a result of the crash, and the passenger in the car was flown to University Hospital in Columbia.
The names and conditions of those involved have not been released.
The bypass has re-opened to one lane as clean-up efforts continue.
This is a developing story, more information as it becomes available.