CAIRO: Illicit Gain Authority (IGA) will question journalist Mohammed Hussein Heikal about his claim that former President Hosni Mubarak held fortunes abroad that amounted to $ 11 billion. IGA said that during investigation, Gamal Mubarak asked to be given more time so he can submit important information that has not yet been revealed. He gave no further details about what this information could include. IGA said that anyone who has information related to Mubarak's property should submit it to them.