Article Photos: Woman dies while riding Six Flags roller coaster 1/3

Emergency personnel are on the scene at Six Flags Over Texas in Arlington, Texas, after a woman died on the Texas Giant roller coaster, background left, on Friday, July 19, 2013. (AP Photo/The Dallas Morning News, Tom Fox)  MANDATORY CREDIT; MAGS OUT; TV OUT; INTERNET USE BY AP MEMBERS ONLY; NO SALES