LONDON (AP) -- Some residents living around London's Olympic Park are getting troops and surface-to-air missiles on their rooftops.
British security officials identified potential sites for the missiles on Monday and announced plans for security tests during the week.
The potential sites include Lexington Building in Tower Hamlets, the Fred Wigg Tower in Waltham Forest, Blackheath Common, Oxleas Wood, William Girling Reservoir and Barn Hill in Epping Forest.
British Gen. Nick Parker said the government would only use the missiles if needed.
London is hosting the Summer Olympics from July 27-Aug.12.