💥 Attack

Ukrainian forces struck the Slavneft-YANOS Oil Refinery in Yaroslavl City overnight on August 27 to 28, causing a fire.

Yaroslavl, Yaroslavl Oblast
Verified Independently confirmed by 6 sources
Institute for the Study of War Ukrainska Pravda Ukrinform Kyiv Independent Kyiv Post UNIAN

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Ukrainian officials reported that Ukrainian forces struck the Slavneft-YANOS Oil Refinery in Yaroslavl City overnight on August 27 to 28, causing a fire.

The AVT-4 was already undergoing repairs after being damaged in an earlier drone attack on 28 August.

The ASTRA Telegram channel reported a fire at the Slavneft–YANOS oil refinery.

Ukrainian drones targeted one of Russia's largest oil refineries in Yaroslavl.

On Friday, Aug. 28, drones struck the Yaroslavnefteorgsintez (Slavneft-YANOS) refinery in the city of Yaroslavl.

The attack prompted local authorities to block roads leading toward Moscow and reroute public transport.

Ukrainian FP-1 drones struck the Slavneft-YANOS oil refinery in Yaroslavl.

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Source story: russian-offensive-campaign-assessment-august-28-2026