Relatives and friends of Salah Abu Laban, Sahar Qouidar, Ghassan Abu Laban and Reem al-Sebaei, all victims of EgyptAir flight 804, grieves following prayers for the dead, at al Thawrah Mosque in Cairo, Egypt, Friday, May 20, 2016. The plane crashed after disappearing from radar early Thursday morning while carrying 66 passengers and crew from Paris to Cairo. (AP Photo/Amr Nabil), APTOPIX