[Two hours after that,] we became inundated, ... We weren't prepared for it ... the images were just coming in, people were finding the site and posting comments.

They were expressing great strength that they wouldn't let these things worry Londoners. I thought it would be great to have a place where people could share these feelings.

We had one from China,

There's a lot of people from the States and from Madrid who feel a kinship and deeper understanding of what we have been going through.

The site will stay up for as long as it has a place in people's minds.

I have to work hard to be punctual, to not lose my temper, take direction and be told what to do - and most of all listen rather than talk.