i'm joined now by jon leyne in cairo. first of all, what's the scene in tahrir square, where i know there was a plan for a huge demonstration. what is happening? >> thousands have already taken to the streets. many thousands. we are back to the days of february. tahrir square behind me is absolutely full of people and there are still people streaming in. who knows what the numbers are? they're certainly in the many tens of thousands. people are saying the second revolution. somebody said tonight, "this is our second revolution." they are also talking about setting up a camp, once again, and not leaving until they get their demands. this is a confrontation i think many of us expected to happen. course, when president hosni mubarak went, many of the people running the country did not go. many people are still there in power. >> we are looking at some pictures while you speak of the crowds in tahrir square. the looks relatively cocalm. there have been fears of violent confrontation. do you think that my uncle today -- do you