Seems like related to the fact, that Russians are supposedly attempting to tunnel their way to Avdiivka instead of taking it by storm<p><a href="https://www.pravda.com.ua/eng/news/2023/10/21/7425142/" rel="nofollow noreferrer">https://www.pravda.com.ua/eng/news/2023/10/21/7425142/</a>