According to Russia's Defense Ministry, Russia delivered S-300 air defense systems to Kazakhstan free of charge.

The contract on free deliveries of Russian S-300 air defense systems to Kazakhstan is fulfilled, Russia's Defense Minister Sergei Shoigu said Wednesday.

"We have completed the project on free of charge S-300 air defense system deliveries to Kazakhstan," Shoigu said at a meeting with his Kazakh counterpart Imangali Tasmagambetov.