FLAGSTAFF, Ariz. (AP) -- Authorities say a 3-year-old boy is dead after being struck by a car in an east Flagstaff parking lot.Flagstaff police say a woman and her two children were walking in front of a store Sunday afternoon when an elderly woman in a car failed to stop, striking all three.The toddler, his 47-year-old mother and his 8-year-old sibling were injured in the collision and were taken to Flagstaff Medical Center for treatment.Police say the 3-year-old boy died at the hospital early Monday. His name hasn't been released.Police say the driver hasn't been charged at this time. Her name and age wasn't immediately released.© 2015 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.