Andrey Marochko said that several strategic heights in the southwest and southeast of Yunakovka are still under Ukrainian control, which makes it difficult for the Russian army to advance rapidly in this sector of the front LUGANSK, July 12 /TASS/. The settlement of Yunakovka, Sumy Region, has moved to the gray zone as the Russian troops have forced the Ukrainian units to abandon some positions with their strikes, military expert Andrey Marochko told TASS. "The settlement of Yunakovka, in fact,