[HIGHLIGHTS] Security developments on Russia's border with Ukraine and US estimates of Wagner losses in the battles of Bachmut

On the other hand, the spokesman for the US National. Security Council declined to disclose Washington's estimates of casualties on the.

Ukrainian side, saying that he would not disclose anything that would make it difficult for Ukrainians, as he put it. On the other side, the chairman of the U.S. National Security Council, said Monday that its forces were continuing their. advance in Pakhmut, Ukrainian Deputy Defense Minister Anna Maliar stressed that they had failed to. capture the city.