As reported by Censor.NET, Lutsenko's spokesperson Larysa Sarhan announced it on her Facebook page.
"Volodymyr Landik arrived today at the Prosecutor General's Office of Ukraine, where he gave testimony before Prosecutor General Yurii Lutsenko in the presence of a prosecutor of the Main Investigation Department. The testimony was given voluntarily in the framework of criminal proceedings against former high-ranking officials, including ex-leader of Party of Regions faction in the Verkhovna Rada Oleksandr Yefremov," she wrote.
Sarhan noted that Landik signed a non-disclosure undertaking pursuant to law.
Earlier, former Party of Regions MP Volodymyr Landik said he was willing to provide the Prosecutor General's Office with evidence of election fraud in the Luhansk regionб as well as information about the crimes of ex-leader of Party of Regions faction in the Verkhovna Rada Oleksandr Yefremov.