The corresponding summons on his Facebook page were published by the ex-president's lawyer Igor Golovan.

"The Supreme Court summons you to participate in the court session on the consideration of the administrative case of Petro Alekseevich Poroshenko against the President of Ukraine Volodymyr Aleksandrovich Zelensky on the recognition of unlawful inaction," the agenda says.

Earlier, deputies of the Verkhovna Rada of Ukraine from the party of ex-President Petro Poroshenko "European Solidarity" filed a complaint with law enforcement agencies against the current Ukrainian leader Volodymyr Zelensky.

Petro Poroshenko announced the need to analyze the actions of the current Ukrainian leader Volodymyr Zelensky on the subject of treason.

On December 20, it became known that Poroshenko was presented with a corresponding suspicion.