cnn's nick patton walsh is live.ce isis declared a new islamic state in syria and iraq, we've learned about isis leadership. what can you tell us? >> many say isis lack that kind of so-called figurehead like osama bin laden. but they do have a leader, abu baka al baldadi. his address what he refers to as his caliphate, no video as well. but that doesn't mean there aren't figures emerging within that sort of strange collection, often international, of jihadis that make up isis. one of them, in particular, appeared in many videos in syria but now in iraq, a man known as omar the chechen. isis has endless publicity videos but its leaders prefer to hide. spokesman abu mohammad al anai here reveal their plans but not his face. to the left is a different story, omar the chechen. distinctive, speaking russian, the closest thing isis has to a public leader. has long ascent among global jihadis echoing the complexion patchwork of brutality behind the group's rise. a former soldier in the georgian army, he was briefly jailed o

nick patton walsh is in ukraine for us. he is awaiting the arrival of the train with victims' remains on it. tell us what the scene is there. >> reporter: we've been down to the railway station where we've been thld convoy of trains will eventually arrive. we understand in the last few hours, about 3:10 local time, pulled out of donetsk bound out for the direction and heading toward where we are. a different route than originally planned. programs some concerns on the safety of traveling more directly. we don't know precisely when it will arrive. i think a good seven or eight hours drive along those railway tracks. when it finally arrives here at the railway station, it will be met by a number of dutch experts. we've seen coming into the airport here. a couple of soldiers accompanying the c-130 air flights coming in, say in fact they've been bringing in coffins and they're being used to try to move these bodies back. potentially back to the netherlands. a growing sense here of people gathering here to try to assist. >> are