Russia, the mediator in the conflict between Azerbaijan and Armenia, on Saturday accused Baku of violating the ceasefire that ended the war between the two countries in 2020 by allowing its forces to cross the dividing line.
And the Russian Ministry of Defense said in a statement that “on (Saturday), a unit of the Azerbaijani armed forces crossed the dividing line in the Shusha region, in violation” of the ceasefire concluded in 2020.
https://globeecho.com/politics/russia-accuses-azerbaijan-of-violating-the-cease-fire-concluded-with-armenia/