On September 20, the Azerbaijani armed forces violated the ceasefire with some periodicity in the eastern direction of the Armenian-Azerbaijani border, the Armenian Defense Ministry said.
Azerbaijan violates ceasefire at border with Armenia

STEPANAKERT, SEPTEMBER 21, ARTSAKHPRESS: The Azeri military used small arms fire in the ceasefire breach.
As of 22:30 the situation was stable and the shooting had stopped.