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"The SBU will check the information on Savchenko inciting troops to a coup," she said.

As UNIAN reported earlier, MP Tetiana Rychkova (BPP) on Friday said that Savchenko had incited Ukrainian troops to leave their positions in the ATO zone and head toward Kyiv "to overthrow the criminal government."

Read alsoUkraine reports 1 WIA in past 24 hoursThe deputy has also called on the Prosecutor General and the Security Service of Ukraine to open criminal proceedings against MP Savchenko.

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Adviser to Interior Minister Zorian Shkiryak later wrote on Facebook: "As it turned out, she [Savchenko] went there with an openly provocative aim and appeals [to the troops] to "put down their weapons and head from the frontline to Kyiv to overthrown the "criminal government."

Read alsoMilitants claim Savchenko arrived in "DPR" stronghold DonetskShkiryak also emphasized that this was a direct appeal to overthrow the constitutional order.

In an astonishing political fall from grace, Nadia Savchenko over the past year has issued numerous provocative statements regarding the need for a direct dialogue with the pro-Russian militants in Donbas – something the official Kyiv firmly rejects.

Having been sacked by Batkivshchyna Party, whose electoral list Savchenko topped while remaining in Russian prison, she is now an "non-affiliated" member of parliament. She was also dismissed from the Ukrainian parliamentary delegation to PACE.

She had earlier been harshly criticized for her back-channel visit to Minsk where she had a meeting with the Donbas terrorist leaders, set up by the Kremlin officials. Denouncing allegations of any wrongdoing, Savchenko insists that she promotes the release of Ukrainian prisoners from militant captivity.