Law enforcers established that the native resident of the occupied city of Donetsk, now living on the Ukrainian-controlled territory, had been recruited by representatives of the so-called "ministry of state security of the Donetsk People's Republic" via Russia's VKontakte social network.
"The perpetrator, for a certain reward, has been collecting and handing over to the militants data on the movement, armament, and personnel of the ATO units stationed in Donetsk region," the report said.
Read alsoNext prisoner swap: Ukraine may exchange 74 for 29 hostages, 103 still captive in DonbasThe security operatives detained the informant, seizing communications equipment and data carriers with the information he planned to forward to his "curators," as well as bank cards for money transfers from the militants.
The suspect will be remanded in custody as a preventive measure. Investigation is underway.
Earlier, a Russian agent tried to set up a terrorist attack at a military facility in Sumy region on Day of the Ukrainian Armed Forces.