Videos showed fireballs over a facility in Ryazan, 110 miles southeast of Moscow. Kyiv is seeking to disrupt Russian military logistics and put pressure on the country’s economy by striking its oil industry.

The unmanned aircraft carrying explosive warheads are part of a Ukrainian campaign of long-range drone attacks that aim to inflict blows on Russia far behind the front line as Moscow's troops advance in the east.

Ukraine's drone attack on a critical Russian oil refinery intensifies the conflict's energy infrastructure warfare component, while Trump calls for OPEC to lower oil prices to end the war.

Russia on Thursday rejected the idea of NATO countries sending peacekeeping troops to Ukraine in the event of a ceasefire in the war with Russia, saying such a move would threaten to cause an "uncontrollable escalation".

Moscow sees a ban on Ukraine’s entry to NATO as a key condition in resolving the Russia-Ukraine war, the pro-Kremlin news agency Interfax reported on Jan. 24, citing Russian Deputy Foreign Minister Alexander Grushko.

"Aw shucks, North Korea’s ally issuing ultimatums to NATO. Utter bulls**t," Tykhyi said during a briefing, according to the Foreign Ministry’s press service. “Moscow has no say here. Russia is waging an aggressive war in Europe.