# Ukrainian drones hit major Russian refinery and Yandex data centre, sparking fires and outages

*Thursday, October 8, 2026 at 6:13 AM UTC — Hamer Intelligence Services Desk*

**Published**: 2026-10-08T06:13:15.722Z (2h ago)
**Category**: conflict | **Region**: Eastern Europe
**Importance**: 10/10
**Sources**: OSINT
**Permalink**: https://hamerintel.com/data/articles/19973.md
**Source**: https://hamerintel.com/summaries

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**Deck**: Ukrainian drones struck one of Russia’s largest oil refining and petrochemical complexes in Bashkortostan and a large Yandex data centre in Ryazan Region, causing major fires and reported service disruptions.

Ukraine’s drone campaign against Russian infrastructure pushed deeper into the country’s economic core on 8 October, with strikes reported on a major oil refinery in Bashkortostan and a large data centre serving technology company Yandex in Ryazan Region.

Ukrainian sources reported that drones hit the Salavat Nefteorgsintez oil refinery in Bashkortostan in the morning, with multiple impacts and large fires at the site. Salavat Nefteorgsintez is described as one of Russia’s largest oil refining and petrochemical complexes, producing more than 150 types of products including gasoline, diesel, bitumen, polyethylene, styrene and other chemicals. The provided material does not include an official Russian confirmation, but reports refer to major fires at the facility.

In a separate strike, Ukrainian drones targeted a data centre in the city of Sasovo, Ryazan Oblast, that belongs to Yandex. The facility is described as the company’s largest data centre, housing tens of thousands of servers that support its cloud infrastructure and other services. A large fire reportedly broke out, followed by widespread outages in Yandex services.

According to Ukrainian reporting, the Sasta machine‑tool manufacturing plant in Sasovo was also struck. The plant produces advanced metalworking equipment, including multi‑axis machining centers, turning‑milling complexes and heavy machine tools, and its equipment is used in Russia’s defense industry.

For Russian civilians, damage to a refinery can mean tighter fuel supply in affected regions, local price pressure and serious air pollution while fires burn. Disruption at a major data centre can slow or interrupt services that people depend on for navigation, deliveries, search and business operations.

Workers at plants such as Salavat Nefteorgsintez, Sasta and the Yandex data centre now face the risk that facilities far from the front line can become targets. Even without casualty data, attacks on industrial plants and server farms turn ordinary workplaces into potential strike zones.

Strategically, hitting a large integrated refinery affects Russia’s ability to sustain fuel supplies at home and for its military, and can put petrochemical exports under pressure. Targeting a flagship data centre challenges the resilience of Russia’s digital infrastructure, with knock‑on effects for logistics, e‑commerce and services that rely on Yandex’s cloud.

Damaging a machine‑tool plant such as Sasta threatens a different layer of capacity. Machine tools capable of producing complex parts are essential for modern weapons manufacturing and heavy industry, so a successful strike could slow output needed across the defense sector.

These operations come as Russian authorities report large numbers of incoming drones. The Russian Ministry of Defense said air defenses shot down 399 drones overnight, a figure included in the provided reporting. That claim points to a high‑tempo campaign and to Moscow’s effort to show it is intercepting large volumes, even as some drones reach high‑value targets.

The key indicators now are how quickly Salavat Nefteorgsintez can restore processing, whether Yandex manages to reroute its traffic and cloud load to other sites, and how Russia adjusts air defenses around industrial and tech hubs. Any visible fuel shortages, sustained digital outages or new protective measures around similar facilities will show how much lasting damage these strikes have caused.