Russia shows off S-300 anti-aircraft system firing missile

This footage purports to show an S-300 anti-aircraft system firing a missile to provide air cover for Russian troops in Ukraine.

The images were obtained from the Russian Ministry of Defence (MoD) on Thursday, September 15, along with a statement claiming: 'S-300V crews of the anti-aircraft missile formation of the Central Military District are on combat duty to cover the Russian group of troops and settlements from air attack weapons of the Armed Forces of Ukraine.'