A federal subject of Russia (an oblast) with Kaluga as its administrative center
Ukraine has intensified strikes on Russian oil facilities deep inside Russia, hitting refineries in Bashneft-Novoil and Slavneft-Yanos, and carrying out Black Sea operations against vessels. The moves aim to disrupt Moscow’s war-financing oil revenues as fighting continues and civilian infrastructure faces pressure.
Ukrainian drone strikes have targeted a Yandex data center in Sasovo, Ryazan, causing a fire and partial service disruptions. Yandex has suspended operations at the site; emergency services are on scene with no casualties reported. Several Yandex services may be unavailable as investigators assess the damage.
Yandex’s data centers in Kaluga and Sasovo have been struck by Ukrainian drones, disrupting services and raising questions about Russia’s digital infrastructure. Authorities say operations are being restored as investigations continue.