MOSCOW, July 4. /TASS/. Two ceasefire violations have been reported by Russian peacekeepers in Nagorno-Karabakh, the Russian defense ministry said on Tuesday in a bulletin on the activities of the Russian peacekeeping contingent in the conflict zone.

"Two ceasefire violations were reported in the Martuni and Shusha districts. No casualties were reported. The Russian peacekeeping contingent together with the Azerbaijani and Armenian sides are probing into these violations," it said, adding that Russian peacekeepers continue round-the-clock monitoring of the ceasefire at 30 observation posts.