A Jewish prayer box worn by a teen passenger caused a rumor in US Airways flight. The plane was diverted to Philadelphia after another passage saw the phylacteries, which are religious items that are strapped onto the body. 

It was the 17-year-old boy's tefillin. Philadelphia police Lt. Frank Vanore said its a black box filled with Biblical verses and tied with leather straps to his head.

Fears of a potential terrorist attack led the Louisville, Ky.,-bound flight to instead land atPhiladelphia International Airport just before 9 a.m., authorities said.