President Volodymyr Zelenskyy has approved a decision made by Ukraine’s National Security and Defence Council on 12 February to impose sanctions against businessman Ihor Kolomoiskyi; billionaire Kostiantyn Zhevago; Hennadii Boholiubov, former co-owner of PrivatBank; Petro Poroshenko, the fifth president of Ukraine and a European Solidarity party MP; and Viktor Medvedchuk, a former MP from the banned pro-Russian Opposition Platform – For Life party, who is also accused of treason.