He told this to journalists after a meeting of the Verkhovna Rada Committee on National Security and Defense on Thursday, according to an Ukrinform correspondent.
“A respective proceeding has been registered. The Security Service of Ukraine is conducting an investigation. We are in charge of procedural control. Obtaining dual citizenship is strictly prohibited by Ukraine’s Constitution. There cannot be two interpretations here. If there is evidence of dual citizenship, this must be punished,” Lutsenko said, when asked whether the Prosecutor General’s Office will check the case of Hungarian passports issued to Ukrainian citizens.