The Egyptian general prosecutor has launched an investigation into the death of the youngest son of former president Mohamed Morsi. A judicial source said Thursday that the prosecutor’s office carries out routine investigations into such deaths. His brother Ahmed told Reuters that Abdallah, 24, died from a heart attack. Abdallah began to feel spasms while driving in Cairo with a friend and died shortly afterward, said Ahmed. Last year, Abdallah was detained briefly for spreading false news. He hasn’t been arrested or subjected to questioning ever since his release on bail in October 2018. In June, Mohamed Morsi collapsed and died in court during trial on espionage charges. Morsi headed an administration loyal to the now banned Muslim Brotherhood until he was deposed by the military in 2013.