Russian forces have made “marginal advances” amid ongoing fighting in several positions in Donetsk, Zaporizhzhia, and Kherson oblasts, the U.S.-based think tank Institute for the Study of War (ISW) said in its latest report on Jan. 12. In Donetsk Oblast, the ISW claims that geolocated footage published on Jan. 11 shows Russia’s marginal advance northeast of Bakhmut, in the village of Vesele. Russia has also intensified its attacks in the town of Avdiivka, where geolocated footage confirms Russian forces recently made limited gains in the town’s northwest. Southwest of the city of Donetsk, Russ…