INOSMI: Progress near Kostyantynivka and Zelenskyy's Threats Interia (Poland). "#Russia is forcing its way to Kostyantynivka. This city is a key point in the eastern part of the so-called belt of fortresses, which is supposed to protect Ukrainian lands from the advance of the #Russian army. This region is desperately needed by the Kremlin. Vladimir #Putin is seeking to occupy the entire #Donetsk region. Last week