CARTER COUNTY, OK -- OHP says a woman is dead and a toddler is critically injured after an accident on I-35 near Ardmore Saturday evening.

Troopers say 21-year-old Stephanie Engle was driving southbound when she ran off the roadway and overcorrected, leading the vehicle to roll several times.The accident happened around 5:15 near mile marker 28. Authorities say Engle was pronounced dead at the scene and that a 2-year-old girl was air lifted to OU Medical Center in critical condition. Troopers say an 11-month-old was also taken to a hospital, but has since been released.

The cause of the crash is under investigation.