Ukraine's Prosecutor General Ruslan Kravchenko has submitted his resignation amid a widening corruption investigation inside his office, adding to political turmoil in Kyiv as President Volodymyr Zelensky faces growing pressure over corruption and divisions within the country's wartime leadership.

Kravchenko announced his resignation late on Monday, describing his departure as a political decision and saying he did not want the office of the prosecutor general to become an instrument of political confrontation.

“This is a political decision. And I made it consciously,” Kravchenko said.

The resignation represented a dramatic reversal. Only hours earlier, Kravchenko had told journalists that he had no intention of stepping down, although he said he would leave if Zelensky or parliament decided he should go.

The announcement followed a meeting involving Zelensky, Kravchenko and Davyd Arakhamiia, the head of the president's Servant of the People faction in parliament.

The crisis surrounding Kravchenko erupted after Ukraine's National Anti-Corruption Bureau, known as NABU, and the Specialized Anti-Corruption Prosecutor's Office launched an operation targeting an alleged criminal network operating within the Prosecutor General's Office.

Investigators say the organisation protected fraudulent call centres in exchange for systematic bribes and helped launder millions of hryvnias.

According to investigators, the network was established in mid-2025 and involved serving prosecutors as well as people outside the Prosecutor General's Office. The proceeds were allegedly laundered through property purchases, bank accounts and assets registered in the names of third parties.

Five alleged members of the organisation have been identified.

Among those detained is Serhii Kropyva, a deputy head of the Prosecutor General's Office's international cooperation department. Ukraine's High Anti-Corruption Court ordered him held until November 2 and set bail at 120 million hryvnias, approximately $2.7 million.

Kropyva is suspected of laundering assets worth more than 89 million hryvnias, or about $2 million. Another suspect, Yelyzaveta Ivakhnenko, was detained with bail set at 20 million hryvnias.

The investigation has reached unusually close to Kravchenko himself.

NABU and anti-corruption prosecutors searched offices used by Kravchenko, his first deputy Mariia Vdovychenko and other officials as part of the investigation.

Recordings released by investigators reportedly refer to a person described as the “boss” who allegedly provided protection to the network. Details mentioned in the recordings have fuelled speculation about Kravchenko, although NABU has not publicly identified him as a suspect.

Kravchenko has categorically denied any involvement.

He said he never instructed anyone to protect illegal call centres and rejected allegations linking him to the scheme as unsubstantiated. In announcing his resignation, he maintained that his position on the accusations had not changed.

The scandal is politically sensitive because Ukraine's anti-corruption institutions have themselves become a major source of tension within Zelensky's government.

Kyiv's Western partners have repeatedly stressed that maintaining the independence of NABU and the Specialized Anti-Corruption Prosecutor's Office is essential to Ukraine's ambitions to join the European Union and to maintaining international confidence while the country continues receiving extensive military and financial assistance.

The resignation also comes during a broader reshuffling of Ukraine's wartime leadership.

Former Prime Minister Yulia Svyrydenko left office in July following criticism of the government's handling of corruption controversies, while other senior figures in the defence and political establishment have also been replaced.

Zelensky's former chief of staff Andriy Yermak, once one of the most powerful figures in Ukraine, was taken into custody in May in a separate money-laundering investigation. Yermak denies wrongdoing.

Kravchenko's departure therefore extends beyond the fate of a single prosecutor. It places renewed attention on the struggle between Ukraine's political establishment and the anti-corruption institutions tasked with investigating officials at the highest levels of government.

That battle is unfolding while Ukraine remains at war with Russia and relies heavily on Western financial and military support.

For Zelensky, the political challenge is increasingly difficult: demonstrating that Ukraine's anti-corruption institutions are free to investigate powerful officials while preventing repeated scandals and leadership changes from undermining confidence in his government.