Russia says Ukraine sent a wave of 41 drones over Crimea targets overnight on Monday. Ukraine has not commented on the attack, but a defense official had hinted one was coming. Various unofficial reports say explosions were heard in three key sites in Crimea.

Ukraine launched a drone attack on the Crimean Peninsula as Russia escalated its attack against Avdiivka, a strategically important city in eastern Ukraine that has been mostly destroyed. KYIV, Ukrain

Explosions have been heard in the east of Russian-occupied Crimea on early 5 December. Two UAVs have likely targeted an oil depot in the city of Feodosiia but have been shot down. Source: Baza, a Russian Telegram channel;

Russian air defense allegedly shot down 35 Ukrainian drones over the Crimean peninsula around 6:00 a.m. Moscow time on Dec. 5, Russia's Defense Ministry claimed in a post on Telegram.

Russia attacked an infrastructure facility in Lviv Oblast with three drones in an overnight attack, Lviv regional governor Maksym Kozytsky reported on Telegram on Dec. 5.