Federal investigators are examining a crash in which two Amazon Prime Air delivery drones struck a construction crane in Tolleson, Arizona, a city west of Phoenix, on Wednesday. Tolleson police said the morning crash occurred in a commercial area near 96th Avenue and Roosevelt Street, according to FOX 10 Phoenix.The National Transportation Safety Board (NTSB) and the Federal Aviation Administration (FAA) have both opened investigations into the collision. "The NTSB is investigating the collision Wednesday o ...