Ukraine’s military intelligence said it hit an important fuel pipeline in the Moscow region that supplies the Russian army.

In previous sieges during the almost four years since Russia launched its all-out invasion of its neighbor, Ukraine has pulled out of some places to avoid losing troops. Ukrainian forces are desperately short-handed against Russia's bigger army.

Ukraine's Main Intelligence Directorate (HUR) notes that the special operation targeted the Koltsevoye oil pipeline, which supplied resources to the Russian army, and is located just fifty kilometres from the Russian capital,

Military intelligence said the covert operation took place in 2024, but Ukraine is only now making the details public for the first time.

Ukraine accuses Russia of "systematic energy terror" as the global atomic energy watchdog warns Moscow's latest strikes jeopardize nuclear plants' safety.

Western analysts say the attacks on energy infrastructure so far have had a serious — but not crippling — effect. Ukrainian drones have repeatedly hit 16 major Russian refineries, representing about 38% of the country’s nominal refining capacity, according to a recent review by the Carnegie Endowment, a U.S.-based think tank.

Russia mounted its second most-intense aerial assault overnight into Thursday, October 30, launching a salvo of 653 drones, decoys and missiles. Ukraine’s Air Force intercepted 592 drones and 31 missiles;

Russian forces are close to taking the eastern Ukrainian city of Pokrovsk after a pincer movement almost totally encircled it while small groups of highly mobile Russian units penetrated the city, according to Russian military bloggers.

Russia launched guided bombs and drones at several Ukrainian cities and regions on Oct. 30, triggering air raid alerts and explosions across the country, with civilian casualties reported in Sumy.