Their targets are strategic: oil refineries, fuel depots, and military logistics hubs. Since the summer, Ukraine’s long-range drone campaign has ramped up dramatically, pounding energy infrastructure across Russia and stretching Moscow’s air defenses thin.

The moment that a Ukrainian drone slammed into an apartment block in a Moscow suburb was captured by a surveillance camera.

Ukrainian long-range drones have reportedly struck an industrial plant deep inside Russia, approximately 1,300 kilometres (800 miles) from the border, while Kyiv’s forces continue to fight an intense battle to repel a Russian advance on the strategic city of Pokrovsk in eastern Donetsk.