KIEV, June 6 – The disclosure of the so-called shadow costs of the Party of Regions will not help the investigation, and the police should have been investigating it for two years now, President Petro Poroshenko said.

"I know that not only NABU (the National Anti-Corruption Bureau) has such documents. These documents come from law-enforcement agencies. I'm disappointed that instead of investigating these documents for two years, we are using them as some suitcases with dirty laundry. I am convinced that those who use it should be brought to justice," Poroshenko said at a press conference in Kiev.