The official notes he is not aware of who has planted the equipment.
Head of the Specialized Anti-corruption Prosecutor's Office (SAPO) Nazar Kholodnytsky states he has found in his office a device resembling a covert listening device.
"Yes, I found a device that looked like a bug," the prosecutor told journalists in Brussels, answering an UNIAN correspondent's question.
Asked whether he knew who owned the device, Kholodnytsky replied: "I don't know. I'm waiting for an official response from law enforcers. I will see it shortly."
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Commenting on UNIAN request the reports that the bug had allegedly been planted by the National Anti-Corruption Bureau of Ukraine (NABU), Kholodnytsky said: "I'm not ready to comment. NABU and SAPO should be working together. I believe this is some kind of provocation."