ANKARA

Russian Foreign Minister Sergey Lavrov said Thursday Russia would carry out the agreement on S-300 air-defense missile system with Syria.

Speaking at the Russian state-run Rossiya 24 TV Lavrov said the contracts were not finished yet and thus S-300 air-defense missiles were not delivered fully. 

"We respect all our contracts and are honoring all our contractual obligations," Lavrov said. 

Russia has been supportive of Syria's embattled President Bashar al-Assad and announced last month that Russia agreed to sell advanced S-300 air-defense missiles to Syria. 

Lavrov said Russia was not sure if western countries could persuade the Syrian opposition to attend a planned peace conference to be held on Syria in Geneva.

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