There are three things we must now take forward urgently.

First, we must bring to justice those responsible. Rightly, President George W. Bush and the US Government have proceeded with care. They did not lash out. They did not strike first and think afterwards. Their very deliberation is a measure of the seriousness of their intent.

They, together with allies, will want to identify, with care, those responsible. This is a judgement that must and will be based on hard evidence.

Once that judgement is made, the appropriate action can be taken. It will be determined, it will take time, it will continue over time until this menace is properly dealt with and its machinery of terror destroyed.

But one thing should be very clear. By their acts, these terrorists and those behind them have made themselves the enemies of the civilised world...