WICHITA, Kan. (KAKE) - The Sedgwick County Sheriff's Office has identified two people who were killed when a speeding minivan slammed head-on into another vehicle.

The crash happened Thursday morning near 63rd Street South and Seneca. According to Sgt. Jared Bloesing, the silver Chevy minivan was heading west when it went over railroad tracks, became airborne and collided with an eastbound Toyota passenger car head-on. The van then struck a black pickup.

Sgt. Bloesing said witnesses reported the minivan was going over 100 miles-per-hour. 

The driver of the minivan, 33-year-old Justin Newby of Derby, and the woman driving the Toyota, 91-year-old Ramona Blizzard of Wichita, died at the scene.

The driver and passenger in the pickup truck were not seriously hurt. 

Lt. Benjamin Blick said Friday morning that the circumstances of the collision are still under investigation.

Previous story:

One person had been killed and another suffered critical injuries in a crash in south Wichita Thursday morning.

The accident happened at around 9:45 a.m. at 63rd Street South and Southern, which is just east of Seneca. A Sedgwick County dispatch supervisor confirmed the the fatality and said another person involved was triaged "code blue," or "in or near full arrest."

Additional information about the crash was not immediately available. 

KAKE News has a crew at the scene awaiting details. Check back for updates.