Ukrainian President Petro Poroshenko declares the inadmissibility of "freezing" the issue of Crimea de-occupation and emphasizes the price for Russian aggression must keep rising.
"I would like to thank the United States for its leadership in strengthening the sanctions against the aggressor," he said at the 14th Yalta European Strategy Annual Meeting "Is This a New World? And What Does It Mean for Ukraine?"
"The price for aggression must keep rising. It must be unbearably hard to keep what was unlawfully taken, or, more bluntly, cynically stolen."
"Regarding Crimea, we are being advised to put it off, to freeze it, or simply to forget about it. Only short-sighted politicians could give such advice. Those, who forget that today's battle for the world order has started with the occupation of Crimea," he said.
According to Poroshenko, tens of thousands of Crimean Tatars and Ukrainians are persecuted in Crimea and Donbas.
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