London Olympics bill set to rise from £9.3 billion to around £9.3 billion according to new report . Committee public accounts committee says security costs have doubled in recent months . Committee also warn of Olympic Stadium becoming a ` a white elephant after the Games . the Olympic Games begin on July 27 ; Paralympics start on August 29 .
London Olympics bill set to rise from £9.3 billion to around £11 billion according to new report . UK Parliament 's public accounts committee says security costs have doubled in recent months . Committee also warn of Olympic Stadium becoming a `` white elephant '' after the Games . London Olympics begin on July 27 ; Paralympics start on August 29 .