Russia Makes Big Push in Eastern Ukraine after Kherson Withdrawal | NATO Warns Ukraine | Ukraine War. You see, Kherson city and the region west of the Dnipro River had some of the best Russian troops defending the area. With Russia’s withdrawal, these forces have been freed up and are now moving towards the Donbass region. So, the coming days and weeks are going to see some intense battles in Donetsk and Luhansk. And NATO is warning Ukraine not to get too jubilant. Watch to know more.