In its March 4 assessment of Russia's offensive campaign, the US-based think tank Institute for the Study of War says that Russian forces will not likely be able to encircle the city of Bakhmut, Donetsk Oblast, soon despite having a positional advantage in certain parts of the city.

Ukrainian forces likely setting conditions for controlled withdrawal from Bakhmut parts – ISW
Ukraine SOF commander inspected units defending Donetsk’s Bakhmut
Ukrainian-held resupply routes out of Donetsk’s Bakhmut are increasingly limited – British intel