Overview
- Russia's defense ministry says its 'Zapad' forces are pressing operations in Kupyansk, reporting surrenders by encircled Ukrainian troops and gains at several positions on the left bank of the Oskil River.
- Moscow reports thwarting two breakout attempts by Ukrainian units near Nechvolodivka and Blahodativka, and claims to have downed multiple R18 drones trying to resupply surrounded forces.
- The ministry announces a grouped long-range strike using precision weapons and 'Kinzhal' missiles against Ukrainian military‑industrial and gas‑energy targets, and says drone storage and launch sites were hit in 148 areas.
- Ukraine's General Staff says a drone strike hit the Saratov oil refinery, citing a fire at a processing unit, as local reports described sirens, air-defense activity and a temporary airport closure; Russia said 29 drones were downed in the region.
- Belgorod authorities report more than 120 drones targeted seven districts in 24 hours, with one civilian killed, several injured and damage to homes, enterprises and vehicles.