Russian air defenses destroyed 73 Ukrainian drones overnight, including three heading for Moscow, Russia's defence ministry said on Friday.

In June, Russia's Defense Ministry reported downing a total of 2,368 Ukrainian drones, with an average of almost 79 drones per day across the month. Thus far in July, the Defense Ministry said it has downed 1,516 Ukrainian drones, with a daily average of 89 drones.

The appearance of FPV drones with fiber-optic control broke away from the radio-frequency logic of modern warfare and presented new challenges for Ukraine’s Defense Forces. What are these drones, and how is Ukraine trying to counter them–read in the RBC-Ukraine's material below.