Update -- Austin police have identified the victim as 27-year-old Joseph Hamilton Carroll.
His death marks the 40th traffic fatality of the year.
Earlier -- Police are looking for the driver involved in a deadly hit-and-run collision in East Austin.
Officials with the Austin Police Department said a red Mazda ran the red light at North Pleasant Valley Road and Cesar Chavez Boulevard in East Austin and struck a pickup. The passenger in the pickup was thrown from the truck and killed.
According to police, witnesses saw the driver and occupants of the Mazda flee from the scene on foot.
Anyone with any information is asked to call Crime Stoppers at Crime Stoppers at (512) 472-TIPS.