FILE - This Aug. 30, 2012 photo shows the exterior of Reliant Stadium before an NFL preseason football game between the Houston Texans and the Minnesota Vikings, in Houston. A fan was taken to a Houston hospital after falling from an escalator at Reliant Stadium. A statement issued by officials of Reliant Park, where the stadium is situated, says the fan fell from the escalator Thursday night, Aug. 30, 2012, while attending a preseason game between the Houston Texans and Minnesota Vikings.(AP Photo/Dave Einsel, File)