Queen Paola (2nd R) and King Albert II (R) of Belgium observe a minute of silence on March 14, 2012 for the victims of the March 13 bus crash in a tunnel in Sierre, in the Swiss canton of Valais, southern of Switzerland, in which 28 people, including 22 children from two schools in Lommel and Heverlee, died as they were returning to Belgium from a skiing holiday. Belgian Prime Minister Elio Di Rupo and scores of parents headed to Switzerland to the scene of the disaster. Another 24 children were reported injured in the crash. The bus, which was carrying 52 passengers, was travelling from Val d’Anniviers toward the Swiss town of Sion on the A9 highway when the accident happened late on March 13. AFP PHOTO / BELGA / NICOLAS MAETERLINCK – BELGIUM OUT –