A Royal Marine commando will bring the flame from a helicopter into the Tower of London . Torchbearers will carry the flame along 200 miles of London streets this week . Although the Home Office did not become aware of the full extent of the shortfall until July 11 , G4S had alerted the government to `` scheduling problems '' affecting staff numbers on June 28 , she said . The Olympic Games open in the city on August 27 . The start to the Games has been overshadowed by a fiasco over security guards .
A Royal Marine commando will bring the flame from a helicopter into the Tower of London . Torchbearers will carry the flame along 200 miles of London streets this week . The Olympic Games open in the city on August 27 . The start to the Games has been overshadowed by a fiasco over security guards .