"As I learned during my stay in Luhansk, where I held talks, including with the militants, that since 2012, especially in the southeast of Ukraine, a network of organizations was formed, controlled by Russian special services, that were disguised as re-enactors of World War II battles, while in fact training people and having a detailed plan on seizing local administrations and [offices] of local executive authorities and, accordingly, preparing for the arrival of Russian troops," he said Wednesday, while testifying in court in a Yanukovych treason case, TSN reports.

Read alsoParubiy testifies in court on conversation with Zhirinovsky amid start of Russian aggressionAccording to Parubiy, such networks operated in Donetsk, Luhansk, Kharkiv, Zaporizhia, Mykolaiv, Odesa and Kherson regions.

"As I became aware later, groups were not even aware of each other’s existence, they only had direct communication with the leaders of the Russian intelligence and coordinated with them. These groups engaged only at Russia, Russian special services’ command," he said.