Ousted Egyptian President Mohamed Mursi is seen behind bars during his trial at a court in Cairo May 8, 2014. Former Egyptian President Mohamed Mursi, the first democratically elected head of state in Egypt's modern history, died on Monday from a heart attack after collapsing in a Cairo court while on trial on espionage charges, authorities and a medical source said. REUTERS/Stringer/File Photo

Deposed President Mohamed Mursi greets his lawyers and people from behind bars at a court wearing the red uniform of a prisoner sentenced to death, during his court appearance with Muslim Brotherhood members on the outskirts of Cairo, Egypt, June 21, 2015. The 67-year-old Mursi, a top figure in the now-banned Muslim Brotherhood, had been in jail since being toppled by the military in 2013 after barely a year in power, following mass protests against his rule. REUTERS/Amr Abdallah Dalsh /File Photo

Ousted Egyptian President Mohamed Mursi is seen behind bars during his trial at a court in Cairo, April 30, 2015. His death is likely to pile up international pressure on the Egyptian government over its human rights record, especially conditions in prisons where thousands of Islamists and secular activists are held. REUTERS/Al Youm Al Saabi Newspaper/File Photo

Former Egyptian President Mohamed Mursi looks on during his appearance in court on the outskirts of Cairo, Egypt, June 2, 2015. The public prosecutor said Mursi had collapsed in a defendants' cage in the courtroom shortly after addressing the court, and was pronounced dead in hospital at 4:50 p.m. (1450 GMT). It said initial checks had shown no signs of recent injury on his body. REUTERS/Amr Abdallah Dalsh/File Photo

Mohamed Mursi (R), the head of the newly-formed Muslim Brotherhood Party named "Freedom and Justice", talks during a news conference in the new headquarter of the Muslim Brotherhood movement in Cairo, April 30, 2011. The Muslim Brotherhood described Mursi's death as a "full-fledged murder" and called for masses to gather at his funeral in Egypt and outside Egyptian embassies around the world. Mursi's family previously said his health had deteriorated in prison and that they were rarely allowed to visit. REUTERS/Mohamed Abd El Ghany

A picture of Egypt's first Islamist President Mohamed Mursi is held up as supporters cheer during a rally at Tahrir Square in Cairo July 13, 2012. Former Egyptian President Mohamed Mursi, the first democratically elected head of state in Egypt's modern history, died on Monday from a heart attack after collapsing in a Cairo court while on trial on espionage charges, authorities and a medical source said. REUTERS/Mohamed Abd El-Ghany/File Photo