A tow truck clears on March 14, 2012 the site of a bus accident in which 28 people, including 22 children, died in a coach crash in a tunnel in Sierre, in the Swiss canton of Valais, southern of Switzerland, as they were returning to Belgium from a skiing holiday. 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 / SEBASTIEN FEVAL13 (Photo credit should read SEBASTIEN FEVAL/AFP/Getty Images)