Turchynov's wife Hanna has been attacked by a terrorist / Photo from UNIAN

"There was an armed attack on Turchynov's wife a few hours ago. The offender attacked Hanna Turchynova right at the Institute where she works. He attacked with a knife in his hand, yelling: 'It's time to pay back,'" Avakov said.

"[We] paid back. Neutralized and detained [him]. The national police responded quickly. An investigation is under way, the terrorist is being interrogated now," the minister added.

Read also"Terrifying report" by Huff Post shows how pro-Russian separatists tortured 4,000 peopleAccording to Avakov, the assailant is a resident from Donetsk region who came from the occupied territory with the aim to attack the Turchynovs.

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Kyiv's police confirmed there were no casualties during the attack and the woman was safe and sound.