An Egyptian court Thursday ordered the release of the two sons of ousted president Hosni Mubarak pending a corruption retrial, a judicial official said. Their lawyer Farid al-Deeb told AFP that Alaa and Gamal Mubarak were free to leave prison after the court order because they had served the maximum pre-trial detention period. An appeals court earlier this month ordered their retrial, along with their father, overturning a lower court conviction that saw the two given four-year jail sentences. Deeb had said Mubarak himself, who is in a military hospital, would also be a free man, but state media reported that there had been no orders yet for his release. A court in November also dropped murder charges against Mubarak over the deaths of some of the roughly 800 protesters killed during the 18-day uprising that unseated him in early 2011. The release of the Mubaraks presents a dilemma for President Abdel Fattah al-Sisi, a former army chief whom opponents accuse of reviving Mubarak-era practices. Sisi massively won an election last year after overthrowing the divisive Islamist president Mohamed Morsi in 2013. Morsi, a leader of the Islamist opposition under Mubarak, is himself now on trial over violence during the 2011 uprising in which protesters torched police stations across the country.