Yandex told Anadolu Agency that part of the infrastructure at its data center in Sasovo, in Russia's Ryazan region, was damaged and that operations at the site had been fully stopped, with work continuing to repair the damage and restore affected services. [E8][E7][E9]
Kyiv Independent reported an overnight drone attack on a major Yandex data center in Russia's Ryazan Oblast, with a large fire at the industrial site. [E4] Open-source intelligence groups Exilenova+ and ASTRA identified the site as Yandex DC Sasovo, located in the city of Sasovo. [E5]
According to company updates carried by Kyiv Independent, disruptions began at around 1:31 a.m., and roughly 40 minutes later the situation had not yet stabilized. [E6]
A fire from a drone attack on the Yandex data center in Sasovo affected part of Yandex Cloud infrastructure, the company said, and availability zone ru-central1-b remains unavailable. [E14][E13]
Vedomosti reported that because of the data-center stoppage some Yandex services may be unavailable to users, while the company's core services continued to operate normally and specialists were restoring affected resources. [E10][E11]
BBC Russian reported that by 13:10 the fault in that zone affected 43 of 85 of the platform's services in Russia. [E15]
Ryazan Governor Pavel Malkov said two drones were shot down over the region overnight; who launched them was not identified. [E12][E1] In the Sasovo district a roof fire occurred at one of the enterprises and windows were broken in several private homes; emergency services were working at the site. [E2][E3]