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Flowers and tributes are placed outside the Sint Lambertus school in Heverlee, Belgium, to commemorate the pupils of the school involved in a bus crash in Switzerland, Wednesday, March 14, 2012. A tour bus slammed into a tunnel wall in the Swiss Alps on Wednesday morning in a horrific accident that killed 22 Belgian 12-year-old students returning from a joyous ski vacation as well as the six adults who were accompanying them. (AP Photo/Yves Logghe)

Friends, family mourn Swiss bus crash victims

Mourners paid tribute Thursday to the Belgian school children and adults who died Wednesday March 14, during a terrible bus crash in a Swiss tunnel, returning from a school ski trip.