bridge and its outskirts, but residents wondering what happens in the town? do russian troops bother coming in? they have their arms today. russian soldiers walking through the streets, clashes it seemed. men being arrested, looting from stores by russian soldiers, it seemed, presumably looking for food because of poor supply lines. a real sign of what they may seek to do if they come into population centers. pressure, too, mounting on this, the third largest city in ukraine, and its vital strategic port, 30 miles drive away from here, shelling and small arms fire and a real fear, i think, that we may in the hours, days ahead, see pressure upon this city, which frankly, unless you can control it, you don't control ukraine's economy. anderson. >> nick paton walsh, appreciate it. be careful. as the war in ukraine unfolds, there is enormous international concern about vladimir putin's state of mind, his decision making capabilities. i want to bring in fareed