WEST AUSTIN -- Austin police are working to find out what caused a deadly car crash on Loop 360 near Westlake Drive.
Officers say just before 10 p.m. Saturday, a car with four people inside was rear-ended.
A 26-year-old female passenger was pronounced dead at the scene. Another passenger was taken to UMC Brackenridge with life-threatening injuries.
Officers found the car that hit them in the bushes nearby. That driver was also taken to the hospital with life-threatening injuries.
Investigators are not sure if alcohol played a factor in the crash.