Families arrive as Swiss probe deadly bus crash Distraught parents and relatives of the Belgian coach crash victims have been visiting the scene of the tragedy near Sierre in Switzerland. A total of 28 people were killed including 22 children. Another 24 wounded remain in hospital, including three children with critical injuries. But for those who'll never see their loved ones again, a wall of floral tributes has quickly built-up. Some of the survivors out of danger have reportedly been allowed to return home to Belgium. Others are still being closely monitored. Michel Callens, a Belgian doctor travelling with the bereaved families, said: "For those children, they of course are in a very serious situation. There is actually no possibility for repatriation. We have to follow the situation hour by hour. Investigations, meanwhile, are continuing into the cause of the crash, in which six adults also died. The coach was carrying 52 people back to Belgium after a school skiing trip in the Swiss Alps when it struck the wall of a tunnel.