SBU Head Vasyl Hrytsak told a briefing in Kyiv on Wednesday, Censor.NET reports citing Interfax-Ukraine.
"The Main Department of SBU in the Donetsk and Luhansk regions detained two citizens of Ukraine who were preparing a terrorist attack in Mariupol as ordered by self-styled "ministry of national security" of "Donetsk people's republic"," Hrytsak said.
He added that the detention of the criminals prevented them from conducting more terrorist attacks. The first target of the terrorists was Mariupol railway station and passengers of Kyiv-Mariupol train.
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