Update: Latest on I-35 School Bus Crash

NORTH AUSTIN, TX - Medics have taken six patients, one a child with life-threatening injuries, to the hospital after a collision involving a school bus and three other vehicles on an Interstate 35 service road Tuesday.

Three different ambulances brought patients from the scene of the crash to area hospitals, tweeted Austin / Travis County EMS. One ambulance transported two children, one with critical life-threatening injures, and an adult to Dell Children’s Medical Center. Three adults with non life-threatening injuries have been transported to University Medical Center Brackenridge by two different ambulances, according to EMS.

None of the 31 children on the school bus were brought to the hospital.

As of the most recent tweet by EMS 33 children and seven adults total were evaluated.

The crash occurred on the 5800 block of a northbound I-35 service road. The cause of the crash is unknown.

This is a developing story. Refresh this page for updates.