Ukraine imposed sanctions on former president and opposition politician Petro Poroshenko, including an asset freeze and a ban on withdrawing capital from the country, for what the domestic spy agency said on Thursday were “national security” reasons.

Former President Petro Poroshenko said on Wednesday that Ukraine’s National Security and Defence Council had adopted sanctions against him, and he accused political rival President Volodymyr Zelenskiy of being behind the move.

President Volodymyr Zelensky on Thursday signed off on sanctions against former Ukrainian President Petro Poroshenko and other prominent Russia-leaning officials.

Chocolate baron and former Ukrainian President Petro Poroshenko, a political opponent and longtime nemesis of Zelenskyy, was sanctioned on suspicion of “high treason” and assisting a terrorist organization — prompting criticism and allegations of a “politically motivated” witch hunt.

Ukraine has imposed sanctions on former president and opposition politician Petro Poroshenko, including asset freezes and a ban on withdrawing capital from the country, a presidential decree published on Thursday said.

Ukraine has imposed sanctions on former president Petro Poroshenko, citing national security concerns. The move has sparked political debate, with accusations against President Zelenskiy of political motivations.

Petro Poroshenko is not allowed to leave the country, access assets, make public speeches or use the internet.

Ukrainian lawmakers blocked the parliament podium in protest against President Volodymyr Zelensky’s sanctions on former President Petro Poroshenko. MPs accused Zelensky of authoritarianism and political repression.