US president says agreement needed to lower fuel prices, but move likely to create fresh crisis with Ukraine and Nato allies

Donald Trump is on a fresh collision course with Volodymyr Zelenskyy and European allies after his stunning agreement to buy Russian diesel upended years of US and western pressure on the Kremlin to end its war against Ukraine.

Zelenskyy reacted furiously to Trump’s announcement of the deal with Vladimir Putin on Friday, calling it “absolutely terrible” and “not fair and not honest”.

Ukraine’s prosecution service has dismissed eight people named in connection with an anti-corruption probe into the alleged protection of scam call centers, acting Prosecutor General Anton Kovalskyi reported. His office is also running internal checks on several officials linked to the case. A separate probe covers the trip abroad of his predecessor, who left Ukraine in September.

Ukraine’s main prosecution service is auditing itself while the country’s anti-corruption agencies investigate an alleged scheme run from inside it. The National Anti-Corruption Bureau (NABU) and the Specialized Anti-Corruption Prosecutor’s Office (SAPO) allege that a PGO official set up a criminal organization in mid-2025. They say it drew in serving prosecution employees and unofficial associates, took bribes for leaving scam call centers alone, and laundered the proceeds. The investigation is called Operation Carthage.

A probe from the outside, an audit from the inside

Ukraine’s main prosecution service is auditing itself while the country’s anti-corruption agencies investigate an alleged scheme run from inside it. The National Anti-Corruption Bureau (NABU) and the Specialized Anti-Corruption Prosecutor’s Office (SAPO) allege that an official of the Prosecutor General’s Office (PGO) set up a criminal organization in mid-2025. They say it drew in serving prosecution employees and unofficial associates. The group allegedly took bribes for leaving scam call centers alone and then laundered the proceeds. The case is known as Operation Carthage, Espreso reported.

Dismissals and polygraph tests

Seven of the eight dismissed people worked at the PGO, Kovalskyi said. Separately, four people were removed from administrative posts, including the heads of the IT department and the cybercrime directorate. Kovalskyi said 24 prosecutors took polygraph tests. The results went to a commission running an internal investigation. He wrote that trust in the prosecution service would be restored not through announcements of change but through consistent, balanced decisions and concrete results.

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The internal probe concerning former Prosecutor General Ruslan Kravchenko covers his trip abroad. Investigators are checking whether he followed established procedure and how the business trip was organized. Kravchenko left Ukraine in an official car on the night of 13–14 September, Ukrainska Pravda reported, citing law enforcement sources. He explained his departure as an official trip to Lithuania.

On 14 September, Kravchenko announced he had signed a notice of suspicion against NABU director Semen Kryvonos. That evening, his own office said Kryvonos had never been properly served and that the register entries were cancelled.

On 15 September, lawmakers backed Kravchenko’s resignation 317–0. Two days later, President Volodymyr Zelenskyy assigned Kovalskyi the duties of prosecutor general by decree. Before that, Kovalskyi headed the Khmelnytskyi Oblast Prosecutor’s Office.

Two Carthage figures under internal review

The PGO completed an internal investigation into Aidyn Khudiiev, a former deputy department head, Kovalskyi said. Its findings will go to the Qualification and Disciplinary Commission of Prosecutors, and the PGO abolished his post. SAPO prosecutor Mykola Karas told a court hearing that detectives seized $50,000 at Khudiiev’s workplace during the Carthage searches.

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The PGO is also investigating Serhii Kropyva, former deputy head of its international cooperation department. NABU detained him on 4 September, the first day of the operation. The internal probe looks at whether he used his powers for private interests and interfered in other prosecutors’ work. The PGO’s General Inspectorate has filed a disciplinary complaint against him with the same commission, and his post was also abolished.

Ukrainian assault troops suffered more than 10 times fewer casualties than Russian forces during Operation Vivaldi, a Ukrainian military veteran said on 9 October, describing the ratio as unprecedented and highlighting Ukraine’s improved ability to protect its soldiers during offensive operations.

The counteroffensive has been a significant Ukrainian success, reclaiming territory in northern Donetsk Oblast and disrupting Russia’s plans to advance toward Sloviansk and Kramatorsk. The reported casualty ratio points shows Ukraine’s ability to make offensive gains while reducing the human cost of assaulting fortified positions.

Yevhen Dykyi made the remarks in an interview with Radio NV, saying the results showed how Ukrainian forces had learned to limit losses while attacking defended Russian positions.

Protecting troops during offensive operations

Dykyi said the casualty ratio was one of the operation’s most important outcomes.

He said that Ukrainian assault troops suffered more than 10 times fewer casualties than Russian forces during the counteroffensive.

“That speaks volumes. We have learned how to protect our people, and that is extraordinarily vital,” he added.

Operation Vivaldi disrupted Russia’s advance in Donetsk

The Third Army Corps launched Vivaldi in mid-September in northern Donetsk Oblast, near Lyman, where Russian forces had spent months trying to advance toward Ukraine’s fortified cities of Sloviansk and Kramatorsk.

The operation aimed to clear Russian troops from positions north of Lyman and disrupt Moscow’s plans to encircle the remaining Ukrainian-held parts of Donetsk Oblast. Ukraine’s Third Army Corps announced the counteroffensive on 15 September, initially reporting that its forces had cleared Russian infiltrators from several settlements and liberated Serednie.

By 30 September, Ukraine had regained 176 square kilometers of territory during the operation, according to figures cited by the Ukrainian presidential office. Ukrainian authorities also reported that their forces had captured around 250 Russian soldiers and inflicted more than 5,000 Russian casualties, including killed and wounded. 

The counteroffensive also disrupted Russia’s effort to advance behind Ukraine’s fortified defensive line. By threatening Russian positions north of Lyman, Ukrainian forces complicated Moscow’s plans to encircle the Sloviansk-Kramatorsk area rather than attack its defenses head-on.

Unmanned systems help limit casualties

A key feature of Vivaldi has been the use of unmanned systems to attack fortified Russian positions before Ukrainian infantry moves in. Ukrainian forces deployed ground robots carrying grenade launchers to fire into Russian shelters, while explosive ground vehicles were used to destroy bunkers and strongpoints.

In one reported tactic, heavy drones delivered kamikaze ground robots more than 10 kilometers behind Russian lines, allowing Ukrainian operators to attack positions without exposing infantry to direct fire.

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People in Russian-occupied Oleshky, a town in southern Ukraine, are running out of food and medicine and have no way out, a local resident told RBC-Ukraine. Ukraine's human rights ombudsman told the outlet that civilians there are dying of hunger every day.

The part of Kherson Oblast across the Dnipro River has been under Russian occupation since 2022, with civilians facing food and medicine shortages and restrictions on leaving. The UN Human Rights Monitoring Mission in Ukraine has documented deteriorating conditions in Oleshky and neighboring Hola Prystan. There has been no practical breakthrough toward an organized evacuation, though 358 people who need help to leave Oleshky and nearby settlements have been verified. About 2,000 people remain in Oleshky, Kherson Oblast head Oleksandr Prokudin estimated.

The resident, who spoke anonymously, said food is extremely scarce, and residents are waiting for a humanitarian corridor to leave. The local market offers mostly vegetables and fruit, such as tomatoes, cucumbers, zucchini, pears, and apples. Russia made its ruble the only legal currency in occupied Kherson Oblast from 1 January 2023, pushing out the Ukrainian hryvnia. Prices at the market start at 500 rubles (about $6), and "if you're lucky, 10 eggs can be bought for 3,000 rubles" (about $36), the resident said. That is about $3.60 an egg, nearly 20 times the US average of about $0.19, or $2.27 a dozen in August, US government data show.

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Ukraine's human rights ombudsman, Dmytro Lubinets, told RBC-Ukraine that civilians in the occupied area were dying every day.

"There is a humanitarian catastrophe there. Ukrainian civilians die there every day because they lack even basic food and water. There have been no medicines there for a long time. According to our information, there is simply hunger there," he said.

Practically no medicines

The resident said there were practically no medicines available. Expired drugs were being sold at about 100 rubles (about $1.20) a pill. His father has Parkinson's syndrome and has been concussed twice. The resident said he was forced to reduce his father's dose by 25% so the supply would last at least until the new year.

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The resident's apartment had burned down, and his house remained damaged. His family had made the house livable and was living there, he said. His wife had lost more than 40 kilograms while the family relied on vegetables and fruit.

Beyond Oleshky: villages with no transport or aid

Four villages in the Hola Prystan community—Kokhany, Kardashynka, Velyka Kardashynka, and Mala Kardashynka—are effectively blocked, according to the Skhid-SOS fund. The fund told RBC-Ukraine that no transport reaches the villages and no humanitarian aid has been delivered for a prolonged period, although it is difficult to get more information from the villages. Residents are forced to walk or cycle to other settlements to find food, despite the risks of mines and drone strikes.

Civilians used as a buffer

Lubinets also said Russian troops were using civilians as a buffer and as protection against the Ukrainian military, RBC-Ukraine reported. Because Ukrainian citizens remain in Oleshky, Ukraine cannot conduct active combat operations there, he said—which, in his view, allows Russia to hold civilians effectively as hostages on the front line.

Food arrives by drone, but how much reaches residents is unclear

Ukraine has delivered food to Oleshky by drone since March, Prokudin said. Nearly 400 parcels weighing almost 4 tons reached their drop-off points on the night of 4 October, Interior Minister Ivan Vyhivskyi said. How much of the food stays with residents is unclear. Prokudin has said Russian forces shoot down supply drones, confiscate or resell the packages, and detain and beat residents who receive them.

After a previous delivery, Tetiana Hasanenko, head of the Oleshky City Military Administration, said that Russian troops take drone-dropped food and accuse those who receive it of cooperating with Ukraine, and that some residents got several packages while others got none.

Russia is planning a winter strike campaign involving up to 1,000 missiles, drones, and bombs targeting, among other facilities, electrical substations, hydroelectric and thermal power plants, and boiler houses. The information is contained in a document that, according to sources cited by The New York Times, Ukraine's Energy Minister Denys Shmyhal presented as an intercepted Russian plan to destroy energy infrastructure systematically. The newspaper reported on 2 October.

Russia has been striking critical infrastructure across Ukraine since the beginning of its full-scale invasion. Such attacks have become particularly frequent ahead of and during winter. Ukraine's recent battlefield gains may have prompted Putin to reconsider his strategy and attempt to force Ukraine to surrender through winter strikes, analysts at the Institute for the Study of War (ISW) suggest. Russia's reported plans to attack Ukraine's energy, water supply, and sewage systems could threaten the basic living conditions of millions of people. Such strikes could increase pressure on civilians and the Ukrainian economy while forcing the state to divert more resources to emergency infrastructure repairs instead of defense needs.

The New York Times was unable to verify the document's authenticity independently, but noted that it was written in Russian and dated August.

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A representative of Ukraine's defense-industrial sector who has reviewed the document believes it is more of a calculation than a finalized Russian military operations plan, according to Schemes, an investigative journalism project by Radio Free Europe/Radio Liberty (RFE/RL), in a report published on 8 October.

60 targets: how Russia could attack Ukraine's critical infrastructure

The document outlines how many missiles, drones, and bombs Russia would need to deprive Kyiv, Kharkiv, and Odesa of electricity, heating, water, and sewage services, Radio Liberty reported on 9 October. The document's full list of priority cities also includes Dnipro, Zaporizhzhia, Mykolaiv, Kherson, Poltava, Chernihiv, Kryvyi Rih, Cherkasy, Kropyvnytskyi, Lviv, Vinnytsia, and Ivano-Frankivsk.

According to the document, Russia plans to begin by attacking substations near Ukraine's western border, through which the country receives electricity from Europe. Hydroelectric power plants could be targeted next, followed by facilities intended to shut down Ukraine's three operational nuclear power plants, Radio Liberty reports. The document lists a total of 60 key targets.

According to Schemes, the document states that Russia would need up to 770 Molniya and Geran drones, Dan-T/Banderol missile-drones, 170 FAB guided aerial bombs, and 75 Kinzhal and Iskander-M ballistic missiles to carry out the attacks.

Sewage systems could become Russia's next target

The document devotes particular attention to water supply and wastewater systems. These include pumping stations, treatment facilities, and other infrastructure essential for cities to provide residents with water and dispose of wastewater.

Russia has not previously attacked such facilities on a similar scale, The New York Times notes.

Preparing for possible attacks on water supply and sewage systems is significantly more difficult than protecting energy infrastructure, Oleh Popenko, head of the Ukrainian Union of Utility Services Consumers, told Current Time, RFE/RL's Russian-language network.

“Sewage is a very complex system. There are specific challenges: where to discharge wastewater, how to organize treatment facilities, and so on. Some work is also underway in this sector, but it will be much more difficult here than with district heating utilities,” Popenko says.

Creating alternative routes in case sewage pumping stations are destroyed is an expensive and technically challenging task, he adds. Such construction could cost billions of hryvnias.

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The priority is to equip water utilities with backup power sources so they can continue operating during power outages. However, if Russian strikes damage the sewage system itself, resolving the problem quickly will be much more difficult, Popenko believes. Specific solutions, including wastewater disposal and the operation of treatment facilities, will have to be determined according to the extent of the damage.

Sewage pumping stations play a particularly important role. They pump wastewater onward for disposal and treatment. If such a station is put out of operation by a strike, the city needs an alternative way to divert wastewater while the damaged facility is being repaired, Popenko says. Bypass pipes or channels could be installed for this purpose, but setting up such a system during wartime is far from easy.

Air defenses remain crucial to Ukraine's winter preparations

Preparations for winter are underway, but protection for energy infrastructure remains inadequate, Popenko believes. The main concern is large substations that transmit electricity from nuclear power plants and distribute electricity imported from Europe.

At the same time, some protective measures are already proving effective. Despite drone attacks over two days, one of Kyiv's substations withstood the strikes, and the city did not lose power, although scheduled outages were in effect, the expert says.

Popenko considers a repeat of last winter's scenario, when parts of Kyiv went without heating for weeks, entirely possible. Russian forces continue to attack energy facilities, and in his assessment, strengthening air defenses in Kyiv is the only way to protect its combined heat and power (CHP) plants from large-scale attacks.

“There are no other ways — for example, building some sarcophagi around CHPs or constructing shelters — because Russia can destroy these facilities again through massive strikes. And then the city risks being left 50–60% without heat,” Popenko believes.

Residents are also preparing for winter, but their options vary, he says. Some homeowners' associations participate in government programs to insulate apartment buildings and purchase backup power supplies for elevators and pumping stations. Owners of private houses are buying generators, among other measures. However, such equipment and preparations require substantial funds, meaning not everyone can afford them, he notes.

Ukraine has already experienced prolonged power outages during previous winters, particularly in 2022 and 2023. At the time, some regions went without electricity for 18–20 hours a day, the expert says. This experience may help people prepare for possible disruptions, but it does not eliminate the risk of further attacks and infrastructure damage.