NABU and SAPO are also searching for the Deputy Head of the Main Directorate of the SBU's National State Defense Department, Alexander Kovalchuk. Ukrainian Pravda reports this with reference to its sources. Earlier it was reported that the head of the Main Directorate for Internal Security of the SBU, Anton Kravchuk, as well as the SBU General, Sergey Duka, were being searched.