The attack on the Aleksinsky chemical plant, which produces gunpowder, ammunition and weapons in the Tula region about 200km south of Moscow, was part of a strategy to target factories that support Russia's war against Ukraine, the source said.
"Attacks on weapons warehouses, military airfields and enterprises, which are part of the Russian military-industrial complex, reduce Russia's ability to terrorise our country," the SBU source said.
The source did not give any estimate of damage to the Aleksinsky factory.
Russia's Defence Ministry said its forces shot down 50 Ukrainian drones in seven Russian regions overnight, Russian state news agency Tass reported.
As the war against Russia approaches its 1000-day mark, Ukraine is on the back foot on the battlefield against its larger and better-equipped foe.
Russian troops are steadily advancing in the eastern Donetsk region, slicing through Ukrainian defence lines and wiping out towns and villages there with guided air bombs and artillery.
The Ukrainian General Staff said on Saturday that the frontline situation was complicated, reporting more than 170 combat clashes in the past 24 hours, the majority in the east.
Today was filled with meetings and briefings in Kyiv, where Ukraine's position was clearly represented.— Volodymyr Zelenskyy / Володимир Зеленський (@ZelenskyyUa) The developing of the European policy for the coming period must be a joint, coordinated effort that directly strengthens our partnerships in Europe and the Euro-Atlantic… pic.twitter.com/R9fcg0ut6kNovember 8, 2024
Ukrainian officials say strikes against military facilities, warehouses and airfields in Russia would disrupt troops' logistics and supplies there and help turn the war in Ukraine's favour.
Since September, Ukraine has struck several ammunition warehouses in Russia with Ukrainian-produced long-range drones, according to Ukrainian security officials.
President Volodymyr Zelenskiy has repeatedly urged allies to supply more long-range missiles and lift restrictions on using them to hit targets deep inside Russia.
Russian Deputy Foreign Minister Sergei Ryabkov said on Saturday his government was open to hearing US president-elect Donald Trump's proposals on ending the war.
Ryabkov said Russia and the United States were "exchanging signals" on Ukraine via "closed channels".
He did not specify whether the communication was with the current administration or Trump and members of his incoming administration.
Russia is ready to listen to Trump's proposals on Ukraine provided these were "ideas on how to move forward in the area of settlement, and not in the area of further pumping the Kyiv regime with all kinds of aid," Ryabkov said in an interview with Russian state news agency Interfax.
with AP
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