(VOVworld)-President Truong Tan Sang on Thursday sent his condolences to King Albert II of Belgium for the tragic bus accident in Sierre, Switzerland, which killed 28 people on Monday, 22 of them children.  On behalf of the State and people of Vietnam, President Sang conveyed his deepest sympathy for the victims’ families and expressed his wish that the families and the people of Belgium will overcome this difficult time. Vice President Nguyen Thi Doan also sent a message of condolences to Belgian Crown Prince Phillipe who has been visiting Vietnam.