The news agency quoted the Defence Ministry as saying; the plane was carrying Russian servicemen and members of a renowned military choir and dance ensemble, the Alexandrov Ensemble, who were being flown into Russia's Hmeymim air base in Syria to entertain military personnel in the run-up to the New Year.
Kremlin spokesman Dmitry Peskov told reporters on Sunday it was too early to say what had caused the crash. President Vladimir Putin was being kept informed of latest developments, Peskov added.
Russia's Defence Ministry regularly flies musicians into Syria to put on concerts for military personnel. The base they were heading for, Hmeymim, is in Latakia province. It is from there that Russia flies air strikes against Syrian rebels.
Earlier in December, another Russian Defence Ministry crashed in Siberia with 39 people on board as it tried to make an emergency landing near a Soviet-era military base. Nobody was been killed in that incident, though 32 people were airlifted to hospital.