Salt River police responded to the area of Pima and Indian Bend roads on Friday after reports that somebody made a bomb threat to the staff of an armored truck.
Officers evacuated the area as a precaution.
Sky 12 video showed an object on the ground behind the truck being blown up. The truck appeared unscathed.
Talking Stick Way was closed between Pima Road and the 101 Freeway ramps.
The investigation is ongoing.
