The Air Force of the Ukrainian Armed Forces reported a UAV moving from Kharkiv region toward Dnipropetrovsk region's Samariv district between 2:46 AM and 3:15 AM UTC on January 1, 2026, according to a Telegram post in the 29-minute window. An X post by @Playfra0 detailed active Russian drone operations targeting Ukrainian supply routes into Kostyantynivka city, Oleksandro-Druzhkivka, and Druzhkivka amid clear weather conditions at -15°C with snow, ideal for drones but harsh for infantry. The post described "waiter" drones loitering near roads to strike detected targets, straining Ukrainian countermeasures and causing supply shortages including for drones and soldier rotations. @Playfra0 quoted: "Difficult in the whole Kostyantynivka direction. There seems to indeed be a serious Russian activation in the direction, according to preliminary information things aren't going well for Ukrainian forces. More information later." This UAV alert follows Air Force reports in the prior hour of a KAB launch in Kharkiv Oblast and BpLA movements in Kharkiv, Mykolaiv, and Volyn regions, as stated in previous Telegram posts.