Countdown to the Olympics

Preparations for the London 2012 Olympics are nearly complete. Now, securing them against the many risks will be paramount

In one sense, the London Olympic Games are already under attack: dozens of suspected fraudsters have been arrested as tickets went on sale on 15 March 2011. But there are other major risks identified, including terrorism. Now, as construction on the venues nears completion and security plans move towards the operational stage, Margaret Gilmore interviews the key players in the efforts to secure the event, and assesses the risks to the Games and the security arrangements bein