The private equity industry is growing and reaching potential investors it hasn't before, so it's important to understand the impact that has on the financial markets and the issues which might arise as a result.

Our starting position is we only add to directives in circumstances that not doing so would undermine existing protections. We have a philosophy that is set against gold plating.

We had simulated casualties, areas cordoned off, evacuations, even TV reporters interviewing witnesses.

Everybody has learnt lessons from the July 7 attacks.

There has always been business continuity planning. We are taking it up a notch this year.