russian rebels are battling ukrainian government forces, we are joined now via skype from donetsk by peter leonard, who is reporting there for the associated press. peter, what one of the more striking events that's happened recently is in the small down of-- and i'm going to try to say this correctly-- debaltseve is the fighting ceased for a short period of time so civilians could evacuate. both sides stopped fighting. first of all, what's the significance of this town, and why stop the fighting? >> to begin with, the significance of the town is essentially is lies along a railway line that connects the two main rebel cities and so if these rebel territories are ever to be economically sustainable and to exist as independent entitiesa as they would like they really have to have all of the trappings of a functional state which is to say, a transportation infrastructure and various other kind of industrial concerns. and so this is why the rebel offensive has concentrated so much on capturing this city. now in what came as a clearly unusual development the ukrainian and the rebel side agreed to susp