A factory in Russia, described by its director as the world¡¯s biggest maker of strike drones, has been shown on the Russian army¡¯s TV channel with teenagers helping make kamikaze drones to attack Ukraine.

The footage, in a documentary film broadcast by the Zvezda channel on Sunday, showed hundreds of large black completed Geran-2 suicide drones in rows inside the secretive facility, which has been targeted by Ukrainian long-range drones.

Ukraine says Russia has used the Geran drones to terrorize and kill civilians in locations including the capital Kyiv, where residents often shelter in metro stations during attacks.