U.S. President Donald Trump stated on Sunday that Russia and Ukraine had consented to an “energy ceasefire” in the 4 1/2-year-old war, yet he provided no particulars regarding it, and Kyiv reported attacks by Moscow on energy sites following his statement.

Trump’s terse social media statement merely announced that the ceasefire had come into effect immediately, appending: “Do not break it!”

Moscow refrained from immediate comment.

Ukrainian President Volodymyr Zelenskyy remarked that although his country “welcomed” Trump’s announcement as “good news for everyone,” Russia continued to strike energy infrastructure in Kyiv and in the city of Kharkiv.

“Regrettably, Ukrainian airspace has been plagued throughout the day by Russian ‘shaheds’,” he remarked in an evening address, alluding to the drones deployed by Moscow.

“Glide bomb strikes have also occurred, alongside attacks on our energy infrastructure.

A power plant in Kharkiv came under assault this evening.”

The presidential office confirmed that the Kharkiv attack had occurred subsequent to Trump’s ceasefire post.

Zelenskyy stated that Ukraine was “ready to refrain from striking Russian energy infrastructure — and we count on the same readiness from Russia.”

Russia has sought to deny Ukrainian civilians power, heat and running water during the war, hoping to wear down public resistance to Moscow’s full-scale invasion.

Ukrainian officials describe the strategy as “weaponizing winter.”

Zelenskyy stated that Ukraine had put forward numerous de-escalatory measures, yet Russian President Vladimir Putin “had one answer to all of them — ‘nyet.’

We do hope that he will finally say something different to America, Ukraine, and the entire world.”

He stated that Kyiv is sustaining communication with the U.S., and he expressed gratitude to Americans for their support.

On X, he said he had discussed the development with Canadian Prime Minister Mark Carney, Finnish President Alexander Stubb and NATO Secretary-General Mark Rutte.

In an interview broadcast earlier on Sunday, Zelenskyy stated that Kyiv was prepared to cease striking Russian refineries provided Moscow halted its attacks on Ukraine’s energy infrastructure, and he urged Trump to pressure the Kremlin into agreeing.

"We are appealing to President Trump to give them a signal, not to attack Ukraine's energy infrastructure," he told ABC's "This Week."

On Sept. 14, Trump asserted via social media that both nations had consented “not to hit” each other’s energy infrastructure, yet he furnished no particulars regarding that proposal either.

Although Zelenskyy had stated that Ukraine was prepared to comply should Russia do likewise, the proposal ultimately yielded nothing.

Trump remarked on Saturday that the time had come for Ukraine to install a new president, implying that Zelenskyy had fallen short in his efforts to bring the war to a close and holding him responsible for elevated diesel prices in the United States.

In response to Trump's remarks, Zelenskyy stated that Ukraine would be prepared to hold elections provided Russia consented to a 60-day ceasefire.

"Grant us a two-month period — 60 days of respite.

A comprehensive ceasefire, 60 days, and we shall proceed to organize elections," he stated, adding that Ukraine would be prepared to accept whatever choice its populace made.

“With all due respect to President Trump, it falls to our society, to our people, to choose one leader or another,” he said.

Zelenskyy added that holding an election during the war would be unlawful and that Ukraine would require security guarantees to enable safe voting.

Ukraine has been under martial law since Putin launched the full-scale invasion in February 2022, and the Ukrainian Constitution bars elections while it remains in force.

Beyond the legal barrier, a nationwide vote would be vulnerable to Russian attacks, and organizing one is widely seen as logistically impossible, with roughly a fifth of the country held by Russia, millions of Ukrainians displaced abroad and soldiers on the front line.

Zelenskyy’s term formally expired in May 2024, but the constitution allows him to remain in office until a new president is sworn in.

The exchange came as Kyiv pressed its campaign against Russian infrastructure, with a drone attack on Sunday shutting down a data center in the city of Vladimir, east of Moscow, run by technology giant Yandex.

It was the third strike on the company's facilities in four days.

Russia and Ukraine have been fighting a long-range aerial war, while their armies remain largely deadlocked on the front line.

Trump, who on Friday struck a deal with Putin to buy diesel from Moscow in an attempt to address high fuel prices ahead of the U.S. midterm elections, has for weeks been urging Zelenskyy to stop striking Russian energy infrastructure.

He has sought to blame record U.S. diesel prices on Ukraine rather than on the U.S.-led war in Iran, which has driven up world energy prices.

Ukrainian and European officials reacted to the diesel deal with dismay, saying it will help pay for Russia's war effort.

The Ukrainian drone attack on Yandex's data centre in Vladimir caused outages across the company's services, leaving users in dozens of Russian cities, as well as in Kazakhstan, Belarus and Armenia, unable to order taxis or access banking services, according to the Russian independent news outlet Astra.

“Operations at the data center have been brought to a complete standstill. There were no injuries,” stated the Yandex Cloud Telegram channel, which provides updates on service availability.

Moscow residents recounted disruptions to their everyday routines.

Pavel Belyavskiy, a driver for Yandex Taxi, said it was unclear whether orders were coming through at all, and that he had been compelled to cancel several rides after waiting for an extended period, as he was unable to reach the passenger.

"Were I to press the 'call' button to get in touch with them, nothing would happen," he said.

"There is nothing I can do, so I am simply compelled to cancel."

Igor Mann recounted that he had attempted to check on an order via the Yandex Market shopping platform, only to find the page unavailable, and that connecting through a virtual private network proved to be of no avail.

“Nothing worked,” he said.

Another Muscovite, Eduard Malyavko, asserted that the outages had exerted a “direct impact” and were not merely a matter of “convenience.”

He maintained that they had affected “healthcare, and everything else.”

On Thursday, a drone attack rendered a Yandex data center inoperable in the Ryazan region, situated southeast of Moscow.

The following day, Ukrainian drones struck the company's principal data center in the Kaluga region, southwest of Moscow, incapacitating a portion of the facility, according to Yandex.

Yandex, frequently characterized as Russia’s equivalent of Google, operates the nation’s most widely used search engine alongside an extensive array of digital services, and is deeply engaged in the advancement of Russia’s artificial intelligence.

Elsewhere, search and rescue operations were concluded in the southern city of Zaporizhzhia following a Russian bombing on Saturday, according to Ivan Fedorov, former regional head and co-chair of the regional defense council.

Zelenskyy stated that 23 people were killed in the attack, among them four children.

According to Fedorov, more than 30 people were wounded, with eight still hospitalized.

Local officials reported on Sunday that a man had been killed and two women wounded in a Ukrainian drone strike on Russia’s Bryansk border region.