In his message, President Rouhani expressed deep sympathy with the Russian government and families of the victims.
A Tupolev 154, carrying members of the Alexandrov Ensemble, a famed army choir and orchestra, crashed on Sunday shortly after a refueling stop in Sochi.
Twelve bodies have been recovered, along with 156 body parts, according to a statement by Russia’s Defense Ministry.
The flight data recorder of the plane has been recovered, the statement added.
