June 23 (UPI) -- Details of two separate assassination plots against Ukrainian President Volodymyr Zelensky last year were described Monday by the head of Ukraine's security service.

Two colonels assigned to protect Zelensky were working for the Russian FSB and plotting to assassinate him, the head of Ukraine's security service, Lt. Gen. Vasyl Malyuk, told journalists.

He also described assassination plans in Rzeszow, Poland, at the airport.

Some information from both incidents was disclosed last year, including the one by the colonels.

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