Pavel Borodin, State Secretary of the Russia-Belarus Union State and former president's business administration manager, has arrived to Geneva Sunday to participate in regular interrogations in Geneva's Office of the Public Prosecutor, a RIA Novosti correspondent reports. As was announced, the interrogations will start Monday morning, according to investigator Daniel Devaud. There is no information about other persons' participation in the interrogations and their time frame. According to the data provided by Borodin's Geneva lawyers, he does not intend to answer the investigator's questions. Pavel Borodin is expected to return to Moscow Tuesday.