our senior international correspondent nick patton walsh is in the middle of all of this. what have you been seeing today, nick? there have been some very tense, very dramatic moments. >> extraordinary day, the ukrainian army moving into one of the towns north of where i'm standing now in some number, running into locals who gave up resistance, blocked their path, and then it seemed pro-russian militants moved in and took those armored vehicles away from the ukrainian soldiers who were driving them. they then took them to slovonesk. we saw the separatist flags on these vehicles. and paraded them in the center of town for quite some time. the ukrainian soldiers themselves, we understand from talking to the self-declared mayor, were surrendering themselves and then taken inside. there seems to be a pattern. very little sign of effective military presence on the ground. we've seen them on the skies, helicopters and jets near the airfield, but we actually went to another village near kramatorsk where it apeers a couple lum of ukrainian armor, 25th paratrooper division, consider