The two --Alaa and Gamal - who have been in detention since April 2011, are on trial for insider trading. They were acquitted on June 2 of separate corruption charges.
They are being questioned in Tora prison by investigative judge Osama El-Seidy after former MP Essam Sultan accused Shafiq of selling state land to Mubarak's sons, al Ahram newspaper reported.
Sultan accused Shafiq last May of exploiting his position as head of Young Air Force Officers Association by selling thousands of acres of state land in Ismailiya, earmarked for the association, at reduced prices to Mubarak's sons.
Mubarak, who was ousted last year in a popular mass uprising, is now serving a life sentence for his role in the deaths of more than 800 protesters during the revolt.
You’ve reached your limit of {{free_limit}} free articles this month.
Subscribe now for unlimited access.
Already subscribed? Log in
Subscribe to read the full story →
Smart Quarterly
₹900
3 Months
₹300/Month
Smart Essential
₹2,700
1 Year
₹225/Month
Super Saver
₹3,900
2 Years
₹162/Month
Renews automatically, cancel anytime
Here’s what’s included in our digital subscription plans
Exclusive premium stories online
Over 30 premium stories daily, handpicked by our editors
Complimentary Access to The New York Times
News, Games, Cooking, Audio, Wirecutter & The Athletic
Business Standard Epaper
Digital replica of our daily newspaper — with options to read, save, and share
Curated Newsletters
Insights on markets, finance, politics, tech, and more delivered to your inbox
Market Analysis & Investment Insights
In-depth market analysis & insights with access to The Smart Investor
Archives
Repository of articles and publications dating back to 1997
Ad-free Reading
Uninterrupted reading experience with no advertisements
Seamless Access Across All Devices
Access Business Standard across devices — mobile, tablet, or PC, via web or app