Uber self-driving car kills Arizona pedestrian

Ride-sharing giant Uber said Monday it is suspending use of self-driving cars after one of the vehicles struck and killed a pedestrian in the US state of Arizona.The Uber vehicle was in autonomous mode, with an operator behind the wheel, when it hit a woman walking in the street in the city of Tempe late Sunday, according to the San Francisco-based company.Uber said it had temporarily halted its use of self-driving cars for testing or customer rides in Tempe, Pittsburgh, Toronto, and San Francis