MOSCOW, February 21. /TASS/. A ceasefire violation has been recorded in the Mardakert district in the Nagorno-Karabakh conflict zone, the Russian Defense Ministry said on Tuesday.

"A ceasefire violation has been recorded in the Mardakert district. There were no casualties," the ministry said.

It also noted that the command of the Russian peacekeeping contingent together with the Azerbaijani and Armenian sides are investigating the incident.