Ground based air defence is rolled out for nearly all Olympic games. Principle role: detect threat @londontonight
Any decision to deploy missiles or take action is a "political" decision taken on a "political level" @londontonight
Ward Cllr for Blackheath says residents are concerned abt security of site. He's told there would be 24/7 armed presence @londontonight
A video posted online apparently shows military equipment, being used as part of Olympics security, left unguarded outside London flats.
Missile systems have been deployed in south-east London, in preparation for a training excercise ahead of the Olympics.
Ministry of Defence outlines plans for surface-to-air missiles to be deployed at six sites across London during the Olympics