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.

Austrian police detained Ukrainian investigative journalist Mykhailo Tkach and cameraman Yaroslav Bondarenko in Vienna yesterday, on 8 October. Both were later released, but the circumstances of their detention remain unclear, and the prosecutor’s office said suspicion against them had not been substantiated so far.

The detention lasted more than 12 hours, the first time Tkach had been held that long while on a reporting assignment abroad. The case unfolded alongside a separate Austrian espionage investigation involving two men suspected of working for Ukraine’s military intelligence. Authorities have not said whether the cases are connected.

Tkach describes detention

In a video published by Ukrainska Pravda, Tkach said seven people wearing masks and carrying weapons approached their car at a traffic light about 3–5 kilometers from central Vienna, broke its windows, and pointed weapons at them.

He said the people did not identify themselves or explain their actions. The journalists were pulled from the car, forced face down onto the road, searched, and had their hands taped behind their backs, according to Tkach. He said he initially thought they were being kidnapped because he did not see identification or have time to notice police markings. He realized they were police only after seeing police vehicles.

“As I felt it, they detained us like terrorists,” Tkach said.

He added that people shouted and pointed weapons, and there was no communication. He said one person put a knee on his neck and shouted at him to be quiet. He also saw glass from the broken window fly into Bondarenko’s face.

In a second report, Ukrainska Pravda said Tkach’s account of a document presented to him listed three allegations: espionage in the interests of Ukrainian military intelligence, participation in a criminal organization, and, as far as he remembered, causing harm to Austria. He said investigators did not explain the evidence behind the allegations.

Vienna prosecutor’s office spokesperson Nina Bussek told the Austrian Press Agency (APA) that suspicion against the two journalists had arisen during other investigations but had not been substantiated. She said it currently appeared that the suspicion was not holding up. Austrian officials have not publicly addressed Tkach’s account of the force used.

Diplomatic response and calls for an investigation

Tkach and Bondarenko were in Vienna on an assignment to find Ruslan Kravchenko, Ukraine’s former prosecutor general, Ukrainska Pravda reported. Kravchenko was dismissed on 15 September amid an investigation by Ukraine’s National Anti-Corruption Bureau and Specialized Anti-Corruption Prosecutor’s Office into alleged protection of fraudulent call centers. He denied involvement. Der Standard reported that it remained unclear whether the journalists’ detention was connected to their reporting on him.

Ukraine’s Foreign Ministry spokesperson Heorhii Tykhyi confirmed Tkach’s release and said the Ukrainian consul had requested access to him, according to NV. Musaieva said Bondarenko had been injured and hospitalized.

A statement signed by Ukrainian media and civil society organizations, including Euromaidan Press, called for an immediate, transparent, and independent investigation of law enforcement’s actions. The signatories also demanded an independent review of the force used, the return of seized equipment, and necessary medical and legal assistance.

Separate espionage investigation

Austrian Interior Minister Gerhard Karner confirmed the arrests of four Ukrainians, according to ORF. The two men detained on 5 October were placed in pretrial detention until 21 October on suspicion of secret intelligence activity against Austria. APA reported that they were suspected employees of Ukraine’s military intelligence service. Both deny the allegations.