emergency workers were trying just basically to get out of there, to survive. you could see that written in their faces. the situation was so desperate they just wanted to get out of there. now many of them are beginning to regroup. a couple asked where their commander may be. they're trying to regroup, get back in there and take care of the people who are in serious trouble. the language here at times if i slip into language which seems a little melodramatic forgive me but this is a circumstance which is very very difficult to describe in many ways without sounding melodramatic. certainly in more than 20 years of covering horrific events this is something that i've never seen before. as we say, the emergency workers now beginning to try to gather themselves. over there you can see a police emergency service unit. they are trying basically now to re-establish some kind of a safe perimeter. and many of the emergency workers basically just happy to be alive. certainly that picture tells it