Commander of Ukrainian Ground Forces names main reasons for holding Bakhmut
Українська правда
Control over Bakhmut prevents the Russian forces from advancing to the flanks and rear of the Ukrainian defence forces on the Lysychansk and Donetsk fronts.
Source: Colonel General Oleksandr Syrskyi, Commander of Ukrainian Ground Forces, in an interview to Interfax-Ukraine
The Bakhmut front remains the epicentre of the Russian military efforts amongst all other fronts.
https://www.pravda.com.ua/eng/news/2023/04/25/7399371/
Source: pravda.com.ua