Updated at 6:45 p.m. ET
A self-driving car operated by Uber struck and killed a pedestrian who was walking her bicycle in Tempe, Ariz., Sunday night. The incident could be the first pedestrian death involving a self-driving vehicle.
The car was in autonomous mode but had a human riding along to take control of the vehicle if necessary, according to the Tempe Police Department. The victim, 49-year-old Elaine Herzberg, was struck while walking outside a crosswalk, police said. She was immediately transported to a local hospital, where she died.