1 of 8: Rescuers and police work amid the wreckage of a tourist bus from Belgium at the accident site in a tunnel of the A9 highway near Sierre, western Switzerland, early Wednesday, March 14, 2012. A bus carrying Belgian students returning from a ski holiday crashed into a wall in a Swiss tunnel, killing 22 Belgian 12-year-olds and six adults, police said Wednesday. (AP Photo/KANTONSPOLIZEI WALLIS/POLICE OF VALAIS, Handout) MANDATORY CREDIT (AP Photo/ Anonymous)

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