Both men were arrested from their homes during the morning on warrants from the financial affairs section of the prosecutor's office, the official said. Fikki is the fourth member of Mubarak's former government to be detained, after the former ministers of interior Habib al-Adly, tourism Zoheir Garranah and housing Ahmed al-Maghrabi.
Yesterday, the judiciary announced that former culture minister Faruk Hosni, who stood unsuccessfully for the leadership of the UN Educational, Scientific and Cultural Organisation (UNESCO) in 2009, was banned from leaving the country pending further inquiries.
A dozen businessmen regarded as close to the ousted regime have also been placed under investigation since Mubarak's resignation on February 11.