The man has been charged with terrorism.
The SBU Security Service of Ukraine has detained a resident of Donetsk region recruited by the so-called "DPR's Ministry of State Security," who had been operating in the status of a partner of the UN High Commissioner for Refugees.
That's according to the SBU press center.
Operatives have established that at the time of the arrest the man had held a post in a non-profit, which is one of the executive partner of the UN High Commissioner for Refugees.
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The agent was detained and served with charge papers under Part 1 of Art. 258-3 (creation of a terrorist group or terrorist organization) of the Criminal Code of Ukraine.
Further investigation is underway.