RT - Tehran believes that Russia�s deliveries of S-300 air defense systems to Syria will contribute to the security and stability in this country, Iranian Deputy Foreign Minister Abbas Araghchi said.�

�If the Syrian government decides to buy this and if the Russian government decides to sell it, I�m sure it would be useful for the security of Syria and the stability in that country,�Araghchi told RIA Novosti.

The Russian Defense Ministry announced last week that Moscow is taking steps to boost safety of its troops in Syria, including the�deliveries�of the S-300 systems, in the wake of Il-20 military plane�s downing there.