Sgt. Kimberly Bay with TPD says the crash happened just before 4 p.m.
The bus involved was from the Tanque Verde Unified School District. Here is a statement from the district:
This afternoon, one of our buses was involved in an accident near Speedway and Kolb in which a pedestrian was fatally struck.
The bus was carrying one student and neither the student nor the driver were injured. We do not have any additional details about the situation at this time. We are deeply saddened by the accident and will continue to work with the Tucson Police Department as they complete their investigation.