Russian forces lack capability to breach Donbas fortress belt this year — ISW
Zelenskyy warns Donbas troop pullback would split Ukraine and open door to Putin
Ukrainian defender who held position for 113 days in encirclement near Myrnohrad dies in Lviv
Russian forces face years of grueling battles to seize Donbas
Zelenskyy says Ukraine will not abandon Donbas despite Russian demands