Russia says 13 armed drones have recently been used to attack its air base and its naval facility in western Syria.

The Russian Defense Ministry said on January 8 that there were no casualties or damage as a result of the attacks on the Hmeimim air base and Tartus naval facility.

Russian forces were able to overpower radio signals for some of the drones and gain control of them during the attacks overnight on January 5-6, a statement said.

Other drones were destroyed with short-range Pantsir-S1 antiaircraft missile systems, it also said, adding that the unmanned aerial vehicles were carrying foreign, professionally manufactured explosives.