that are amassed around ukraine, michael. >> all right, fred pleitgen there in moscow, appreciate it. sam kiley speaking of donbas in that region, there's been a lot of activity, ukrainians say the separatists are firing on themselves to try to provoke things. give us a lay of the land where you are. >> reporter: well, here about 25 miles from the russian border, a few miles beyond that, we are seeing a continued increase in the russian presence. not that that's causing any significant conniptions here. the second biggest city in ukraine. very much the center of its intellectual life. yesterday, michael, i was down close to the front line where there was sporadic shelling. there were eight significant detonations in the time. we were in a little village called new york, believe it or not, right on the front line on a street, the end of which gives way to the rebel-held area, and