The Ukrainian military says one of its drones struck an important arms depot inside Russia three weeks after another drone blasted a major Russian armory and three days after a drone smashed into a key oil terminal in Russia-occupied Crimea.

A rare Sukhoi S-70 Okhotnik—the Russian air force’s first stealthy armed drone— got shot down apparently by an accompanying Russian fighter after the drone seemingly malfunctioned near the Ukrainian-held fortress town of Chasiv Yar in eastern Ukraine on Saturday.

Russian forces launched an attack on Odesa Oblast using two Iskander-M ballistic missiles from temporarily occupied Crimea on the night of 7-8 October, along with an assault on other Ukrainian oblasts involving 19 strike drones launched from Russia's Primorsko-Akhtarsk.

Russian troops launched a large-scale missile attack on Ukraine with Iskander-M ballistic missiles, Kh-59 aircraft missiles, and drones, according to the Ukrainian Air Force. The Russian missiles were launched from the Kursk and Belgorod regions,