“They have the right to do so, if they express a desire, we’ll conclude it,” TASS quoted the Deputy Prime Minister as saying.

So he commented on the possibility of concluding a new agreement with Turkey for the supply of additional S-400s by the end of the year.

Earlier, the head of the Turkish Defense Industry Directorate, Ismail Demir, said that the Turkish side had partially commissioned the Russian S-400 anti-aircraft missile systems.