Relatives of those killed in the A-320 crash will arrive in Sochi to participate in the mourning ceremonies, Armenian Ambassador to Russia Armen Smbatian said. In his words, the stone of the future monument to the crash victims will be laid. Members of the Armenian Consulate, administration of the Krasnodar region will attend the mourning events. The Armenian jet crashed into the Black Sea on May 3 killing all of the passengers and crewmembers, reported IA Regnum.