Vladimir Putin is a man "sick of power" who wants to "reign forever".
Volodymyr Zelensky writes on social media as the first data arrives confirming the plebiscite against the Russian leader.
"It is clear to everyone that this character, as has happened so many times in history, is simply drunk with power and is doing everything possible to reign eternally and there is no evil that he will not commit to prolong his personal power," the Ukrainian president said, calling the Russian vote "without any legitimacy".
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