UNIAN

"I think we have to be ready for it. But we do not give them the slightest chance for provocation. The responsibility falls completely on them," Poroshenko said.

Poroshenko earlier warned that a new offensive in the east of the country could be launched by the militants in mid-May.

Poroshenko also told the BBC he did not trust his Russian counterpart Vladimir Putin.

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When asked how he would negotiate in such circumstances, Poroshenko said: "I have no other choice. I do not think that my territory will be liberated by military means."

He reaffirmed what he had said earlier - that he would not try to win back the lost ground by military means.

He added that he was satisfied with assurances received from U.S. Secretary of State John Kerry after his meeting with President Putin in Sochi.