Information about a possible bomb on board the airliner was received by law enforcement agencies.
"[There has been] an anonymous message about a bomb being planted on a Moscow-Gelendzhik plane. An additional check is underway," an emergency services spokesperson said.
According to preliminary data, the plane is still at Domodedovo airport.
According to the schedule, the Airbus A320 was supposed to take off at 11:25 Moscow time. The flight has been delayed and is currently being inspected.
No further details were available.