9 August 2011 Last updated at 18:08

Beach volleyball glamour gives Londoners reason to smile

Despite the unrest in the city, London 2012 organisers continue with the scheduled test event for beach volleyball, which draws a crowd of 1,500 to Horse Guards Parade.

With 10 times as many spectators expected to attend events there in 2012, the BBC's Tim Franks reports on the concerns over how the security will be managed.