and from london, atilia donachie, from a global advisory firm.el, if i can begin with you, we've heard from nato this week, and we have seen pictures of what appears to be heavy russian weaponry again moving across the border into ukraine. the organization's security that you represent have you been able to confirm where those tanks and other weapons are coming from? do you know if they are, indeed, russian? >> well, good to be with you. and we have about 300 observers throughout ukraine and half of them are now in the eastern part of ukraine. and i'll tell you what we have not been seeing, and that is a withdraw of heavy weaponry as put forth in the documents of early september. now since saturday on three separate occasions what are observers in donest city, are unmarked military vehicles. these are not ordinary trucks. they're command trucks. they were arriving from the east of the country, the eastern direction of the country, and 120 in all, and they were towing some of them, 120 howitzer military pieces as well as multiple rocket launch sys