The Kupol plant in Russia's Udmurt Republic ceased operations following a Ukrainian drone attack, independent media outlet Astra reported on June 2, citing emergency service sources.

Located more than 1,300 kilometers (800 miles) from the front line, the plant produces Tor and Osa air defense systems, as well as Harpy-type attack drones. It is under international sanctions as part of Russia's defense-industrial complex.

Two drones hit their intended targets during the strike with one flying through the windows of one workshop, and the second hitting the roof of another, causing an explosion and fire. The resulting blaze led to the collapse of 1,300 square meters of roofing, Astra reported.

Four workshops were destroyed in the first building of the complex, reportedly halting operations in areas responsible for metalworking, microchip soldering, and drone production.

Udmurt Republic Governor Alexander Brechalov said on June 1 that three people were killed and 45 injured in the attack, including 35 hospitalizations and six in serious condition.

Astra earlier reported that no air raid siren was issued in Izhevsk ahead of the attack. Residents claimed to be unable to receive emergency alerts due to persistent mobile internet outages.

Ukraine's General Staff confirmed the strike via its official Telegram channel, framing it as part of Kyiv's campaign to degrade Russia's defense-industrial base far from the front.

The plant was previously targeted in a Ukrainian drone strike on Nov. 17, 2024. That attack damaged equipment used to produce Tor missile systems and radar components.

Izhevsk, the capital of the Udmurt Republic, is known as a center of Russia's arms manufacturing industry and the birthplace of the Kalashnikov rifle.

The latest attack underscores Ukraine's capacity to strike deep into Russian territory.

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The Kyiv IndependentAnna Fratsyvir

Ukrainian drones struck the Saratovorgsintez oil refinery in Russia's Saratov Oblast, causing damage to the facility, Ukraine's General Staff reported on July 1.

"An important facility has been hit," the General Staff said via its official Telegram channel.

The Saratovorgsintez refinery and chemical plant, owned by Russian energy giant Lukoil, is located nearly 1,500 kilometers (930 miles) from Ukraine's border in the city of Saratov. The city hosts multiple strategic military and industrial sites.

The refinery was targeted to "reduce the enemy's offensive capabilities," the General Staff wrote.

"The occupiers use the capacity of this refinery to supply fuel and lubricants to Russian military units involved in the armed aggression against Ukraine."

The attack was a joint operation carried out by Ukraine's military intelligence agency (HUR) and other military units, the General Staff said. A fire broke out at the site of the attack and damage to the refinery's technological installations has been confirmed. The full consequences of the strike are still being investigated.

The Kyiv Independent could not verify these claims.

The report is the latest in a series of announcements on July 1 about successful Ukrainian strikes on Russian targets. Earlier in the day, HUR released footage of Ukraine's UJ-26 drones, commonly known as Bober (Beavers), targeting high-value Russian air defenses and a fighter jet in occupied Crimea.

A source in the Security Service of Ukraine (SBU) told the Kyiv Independent that Ukrainian drones struck a major Russian military plant in the city of Izhevsk, over 1,300 kilometers (800 miles) from the front lines.

Ukraine also hit a Russian command post in occupied Donetsk Oblast, according to the General Staff.

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The Kyiv IndependentThe Kyiv Independent news desk

Ukraine's Armed Forces struck the Atlas oil depot in Russia's Rostov Oblast overnight on June 23, the General Staff reported.

The attack ignited a fire at the site, with Ukrainian forces saying the strike had reached its intended target. The facility supplies fuel and lubricants to Russian military units.

Yuri Slyusar, the acting governor of Rostov Oblast, confirmed that a fire occurred at an industrial facility after the attack. He added that no one was injured.

The full extent of the damage is still being assessed, according to the military.

Located near the Azov Sea and bordering Ukraine, Rostov Oblast plays a crucial logistical role for Russia's war effort due to its proximity to front-line operations. The same depot was previously targeted in November 2024.

"The defense forces continue to take all measures to undermine the military and economic potential of the Russian occupiers and force the Russian Federation to stop its armed aggression against Ukraine," the General Staff said.

The strike is part of Ukraine's broader campaign aimed at disrupting Russian supply chains and degrading its capacity to sustain the full-scale invasion.

Fuel depots, rail infrastructure, and ammunition stockpiles inside Russia and occupied territories have increasingly become targets for long-range drone and missile strikes.

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The Kyiv IndependentDaria Shulzhenko

The Nevinnomyssk Azot chemical plant — one of Russia’s largest producers of nitrogen fertilizer and ammonia and a key supplier to the Kremlin's military-industrial complex — has suspended production, Russian independent media outlet Astra reported on June 16.

According to Astra, the chemical plant suspended production as a direct result of Ukrainian drone strikes. The strike — which was confirmed by Ukraine’s General Staff on June 14 — targeted two major military-industrial facilities in Russia, including the Nevinnomyssk Azot plant in Stavropol Krai. The facility reportedly supplied raw materials and components for Russia’s weapons and fuel production.

Nevinnomyssk Azot is among Russia's top producers of ammonia and nitrogen fertilizers and hosts the country’s only production lines for methyl acetate and high-purity acetic acid. It also operates Russia’s first melamine production facility, according to open-source data.

According to Andrii Kovalenko, head of Ukraine's Center for Countering Disinformation at the National Security and Defense Council, the plant produces up to one million tons of ammonia and over one million tons of ammonium nitrate annually, is "a critical element of Russia's military-industrial complex."

Kovalenko noted that ammonium nitrate is a key component for explosives and artillery shells. He added that the plant also synthesizes dual-use chemicals such as melamine, acetic acid, methanol, and potassium nitrate — all frequently used in the production of grenade launchers, mines, and rocket charges.

Since 2024, the plant has also been producing water-soluble fertilizers, which he said have been adapted to serve military chemical needs as part of Russia's war in Ukraine.

The chemical plant is part of the EuroChem Group, owned by Russian billionaire Andrey Melnichenko, who is currently sanctioned by Canada, the European Union, Japan, and the United Kingdom.

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According to Ukraine’s military intelligence (HUR), the vessel, operating without Western insurance, is part of Russia’s expanding shadow fleet used to bypass G7 and EU sanctions on Russian oil exports.

The Kyiv IndependentTim Zadorozhnyy