Russia is still inching forward in eastern Ukraine, but experts say claims of progress are exaggerated

By Daria Tarasova-Markina, Lauren Kent, CNN Kyiv, Ukraine (CNN) — Russia is still inching forward in eastern Ukraine’s Donetsk region, where it has concentrated the bulk of its troops, as it continues efforts to encircle the key “fortress belt” city of Kostyantynivka and the city of Lyman. But outside experts and Ukrainian soldiers who spoke