Ukrainian drones damaged a process pipeline, two butyl-rubber units, and a rectification (distillation) unit at Russia’s Tolyattikauchuk petrochemical plant on 24 October, Ukraine’s General Staff said on 26 October. The damage hits the production chain of solid rocket fuel for tactical and ballistic missiles, it added.

The strike was part of a string of Ukrainian hits on Russian plants over four days, most of which the General Staff links to missile production. Ukraine hit an electronics plant in Oryol on 23 October and struck a battery plant in Yelets on 25 October or the following night. The General Staff ties both to missiles: Oryol makes components for missiles Russia fires at Ukrainian cities, and Yelets makes batteries for Iskander-M systems. Then, overnight on 26 October, drones also went after Voronezhsintezkauchuk, another Russian synthetic-rubber plant. For Tolyattikauchuk, this is the third time this year that strikes have reached its butyl-rubber shops.

What Kyiv and Russian officials say

The General Staff first confirmed the strike on 24 October with a report of an explosion and fire near the plant. It said the plant makes synthetic rubbers, monomers, fractions, and high-octane gasoline additives, and that its synthetic rubbers are used in solid rocket fuel.

Meanwhile, Russian officials have not named the plant in their statements. However, Tolyatti Mayor Ilya Sukhikh claimed that industrial facilities were damaged and, citing preliminary data, that no one was killed or injured, Russian outlet Expert reported.

What OSINT channels report

Drones hit at least two production facilities, Ukrainian monitoring channel Exilenova+ said. One is the shop where isobutane is turned into isobutylene, a raw material for synthetic rubbers. The other is outdoor unit No. 2 in shop BK-4, which produces and purifies high-purity isobutylene for butyl rubber.

The damage could delay rubber output and the supply of feedstock for other processes, including solid rocket fuel. Tolyattikauchuk can make about 260,000 metric tons of synthetic rubber a year, OSINT-Varta data show.

Hit again and again

Tolyattikauchuk had come under fire before. Overnight on 4 April, about 10 drones reached the plant by various accounts. Footage showed fires at storage shops D-12 and D-1 and at the BK-2, BK-3, and BK-4 units, though more sites may have been hit, the analysts added. Ukrainian forces struck the plant again on 12 June, the General Staff confirmed.

Then, on 12 September, a strike set fires at the BK-2, BK-3, and BK-4 shops, an OSINT community Absolutely Reliable Source reported. Without those shops running steadily, the line that makes MTBE, a key high-octane gasoline additive, is cut, the channel noted.

Drones attacked the VASO aircraft plant in Russia's Voronezh overnight on 26 October, Ukrainian Telegram channel Supernova+ reported. The plant builds Il-96 airliners and parts for Russia's military transport planes. A synthetic-rubber plant was also reportedly hit and fires broke out across Voronezh, while another rubber plant in Tolyatti, farther east, reportedly came under attack again.

Ukraine keeps hitting the plants behind Russia's weapons, from Voronezh's missile chips to Urals titanium for warplanes. Each supplier knocked out of rhythm slows how fast Russia replaces the hardware it loses and keeps using against Ukraine.

What the Voronezh plant builds

Supernova+ described VASO as part of Ilyushin, which belongs to Russia's state-owned United Aircraft Corporation (UAC). The channel published a photo of fire and smoke at the site. The plant lies about 190 km from the Ukrainian border.

VASO makes pylons, engine nacelles, and flap rails for the Il-76MD-90A, a modernized military transport plane, and sends them to Ulyanovsk, UAC's press service said in 2024. "We have reached the production pace of Il-76MD-90A aircraft kits that our Ulyanovsk colleagues need," Igor Butyrin, who runs the plant's Il-76 program, stated at the time. In 2016, the plant built an Il-96-300 that UAC handed over to the Rossiya special flight detachment of Russia's presidential property office.

A rubber plant and a bridge on the list too

Supernova+ also named Voronezhsintezkauchuk, a plant of Russian petrochemical group Sibur that makes synthetic rubbers. The channel later reported a hit on the plant's industrial zone and claimed an attack on the city's Northern Bridge. Ukrainian Telegram channel Exilenova+ published footage of a drone arriving, reportedly at the rubber plant.

The moment the UAV arrived this morning, reportedly at the Voronezhsintezkauchuk factory. pic.twitter.com/2PXyQ5P7sb

— Exilenova+ (@Exilenova_plus) October 26, 2026

Voronezh Oblast Governor Aleksandr Gusev declared a missile alert at 04:47 Kyiv time, but no source has named a missile type. Kyiv has not commented. Ukraine's Air Force, which launches Storm Shadow cruise missiles, and its Navy, which fires Neptunes, have posted nothing on Voronezh.

Earlier this month, Ukraine's Navy said it hit six Su-34 bombers in Voronezh Oblast with Neptunes. Storm Shadows reportedly struck an electronics plant in Oryol on 23 October and a battery plant in Yelets two days later.

Fires across the city

Gusev claimed air defenses downed 113 drones over the region, more than 70 of them over the city. He listed fires at several industrial enterprises, which he said caused no serious consequences, plus a business center, an apartment block, and a school stadium. Russian Telegram channel Astra published video of a drone hitting the Galereya Chizhova business center. Exilenova+ footage showed cars burning below apartment blocks.

Voronezh pic.twitter.com/I3WbnGLZhO

— Exilenova+ (@Exilenova_plus) October 26, 2026

Damage in residential districts may have come from downed drones or from Russian air-defense missiles falling back on the city. During a 23 October attack on Gorodets, in Nizhny Novgorod Oblast, Exilenova+ claimed a Pantsir air-defense missile hit a house.

Gusev also claimed two men were killed and 17 people injured, many of them on a train struck by drone debris. Russian Railways said five passengers were hurt at Somovo station and traffic on the line stopped. Russia's Defense Ministry claimed its air defenses downed 290 drones over 15 regions and the Moscow area.

Tolyatti's rubber plant reportedly attacked again

Locals reported an attack on the Tolyattikauchuk chemical plant in Tolyatti, Samara Oblast, Exilenova+ said. The city lies about 890 km from the front line. Ukraine's General Staff confirmed a strike on the same plant on 24 October. Its synthetic rubbers go into solid fuel for Russia's tactical and ballistic missiles, among other uses.

Until Kyiv comments or satellite imagery shows the site, the damage at VASO stays unconfirmed, and so does any delay to Russia's Il-76 parts line.