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.

Ukrainian former President Petro Poroshenko, who is suspected of high treason by financing pro-Russian separatists in eastern Ukraine while in office in 2014-2015, addresses his supporters outside a court building before a hearing in Kyiv,

President Volodymyr Zelensky approved a National Security and Defense Council (NSDC) decision on Feb. 13 to impose indefinite sanctions on several high-profile politicians, oligarchs, and businessmen.