![Smoke billows from Yandex's Sasovo hub after a fire following a drone strike forced the suspension of operations at the site in Sasovo, Russia, in this screengrab obtained from a social media video on October 8, 2026 [Reuters]](/wp-content/uploads/2026/10/2026-10-08T115241Z_715538642_RC2ZYNA3WY9P_RTRMADP_3_UKRAINE-CRISIS-RUSSIA-YANDEX-UGCCON-1-1791545366.jpg?resize=770%2C513&quality=80)
Ukrainian drone strikes have partly disabled an AI data centre operated by Russian digital giant Yandex.
The strike on Friday followed an attack on another of the companyâÂÂs data hubs the previous day, appearing to signal that UkraineâÂÂs military campaign is widening its scope to target RussiaâÂÂs technology infrastructure. Moscow has previously targeted data hubs inside Ukraine.
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Yandex, which is heavily involved in RussiaâÂÂs AI development efforts, said its data centre in the Kaluga region southwest of Moscow had been struck by Ukrainian drones and partly put out of action.
A day earlier, a Ukrainian attack shut down a major data hub in Sasovo in the Ryazan region, where two of the three supercomputers used to develop the companyâÂÂs AI models are housed.
![A food delivery robot by Russian technology giant Yandex makes its way in the Moscow International Business Centre in western Moscow on January 13, 2025 [File: Alexander Nemenov/AFP]](/wp-content/uploads/2026/10/AFP__20250113__36TL23W__v1__HighRes__RussiaEconomyBusinessFinanceArchitecture-1791545530.jpg?w=770&resize=770%2C364&quality=80)
Yandex, which operates under close government observation, said the attacks had struck at the core of its operations and that it was trying to maintain its services.
âÂÂOur teams are working day and night to keep services running and help those affected by the incident. Right now this is our most important task, but unfortunately it is not an easy one,â it said in a statement.
The company operates numerous apps that many Russians consider essential, as well as social media networks.
Russia has struck several Ukrainian data centres and telecommunications infrastructure facilities over the past month, including targets in central Kyiv.
Damage from the attacks has forced some services to suspend operations. Roughly 100,000 households suffered temporary internet outages after an attack.
âÂÂWe always respond in mirror-like fashion,â Ukrainian President Volodymyr Zelenskyy said on Thursday, following the Ryazan strike. âÂÂYou all know, they have been hitting and continue to hit our data centres. We are responding. I canâÂÂt share all the details.âÂÂ
Missiles and energy
Kyiv also continues its campaign targeting RussiaâÂÂs missile production and energy infrastructure, hoping to reduce the air strikes against which it has struggled to defend, as well as to hurt MoscowâÂÂs economic ability to wage war.
UkraineâÂÂs military said it had hit three facilities involved in missile production across Russia overnight, including a factory in the Tver region making missile components and a centre for disassembling intercontinental ballistic missiles in the Nizhny Novgorod region.
In a statement on Telegram, the General Staff said the Russian facility for the âÂÂliquidation of intercontinental ballistic missilesâ was hit to degrade RussiaâÂÂs ability to source explosives and rocket fuel.
Nizhny NovgorodâÂÂs governor said that one serviceman was killed repelling the attack while drone debris caused âÂÂminimalâ damage to infrastructure.
A drone attack sparked a fire at a plant in Redkino in the Tver region, but it was quickly extinguished, the local governor said.
The Ukhta oil refinery belonging to the state giant Lukoil, 1,900km (1,180 miles) from the Ukrainian border, was also struck, according to Zelenskyy.
Meanwhile, RussiaâÂÂs air campaign has continued to hit civilians, despite the KremlinâÂÂs insistence that it only attacks military targets.
Overnight strikes killed one and injured seven in the city of Zaporizhzhia, regional defence official Ivan Fedorov said on the Telegram messaging app.
Russia also struck a cargo vessel in UkraineâÂÂs Black Sea port of Mykolaiv, the Ministry of Defence in Moscow said, according to state news agency RIA Novosti. The ministry said the vessel was being used to supply the Ukrainian military.
