CARROLLTON, Ala. - Alabama State Troopers are investigating a deadly police chase that ended in a head-on crash that killed two people in the fleeing vehicle.

Authorities say the crash happened Saturday evening on Alabama state Highway 17 in Pickens County.

WBRC-TV reports the chase started when a Carrollton police officer attempted to pull over a car that ended up speeding away. Carrollton Police Chief Anthony Durram says his officers were calling off the chase when the fleeing car and another vehicle collided head-on.

Sgt. Steve Jarrett of the Alabama State Troopers tells al.com the crash killed the driver and a passenger inside the fleeing car. He says two other people were taken to Pickens County Medical Center with injuries that don't appear to be life-threating.