Former Egyptian President Mohamed Morsi died on Monday after fainting during a court session, state television report.
"He was speaking before the judge for 20 minutes then became very animated and fainted. He was quickly rushed to the hospital where he later died," a judicial source said, according to AFP.
State television said Morsi, who was 67, was in court for a hearing on charges of espionage emanating from suspected contacts with the Palestinian Hamas movement.
The public prosecutor said Morsi collapsed in cage in court after speaking.
A medical report shows no apparent recent injuries on his body. He was pronounced dead at 4:50 local time in hospital.
The Muslim Brotherhood leader has been in prison since his ouster on trial for several cases including for spying for Iran, Qatar and Hamas in the Gaza Strip. He was also accused of plotting terror acts.
He was serving a 20-year prison sentence for a conviction arising from the killing of protesters during demonstrations in 2012 and a life sentence for espionage in a case related to Qatar.
He was ousted on July 3, 2013 and the Muslim Brotherhood has since been banned as a terrorist organization.
