Prime Minister, Sherif Ismail arrived at Cairo's Al-Mosheer Tantway Mosque Monday to attend memorial service organized by EgyptAir for the victims of flight MS804, Al-Bawaba News reported. On May 19, EgyptAir's flight MS804 that carry 66 people on board from Paris to Cairo crashed in the Mediterranean Sea after it disappeared from radar and lost its communication with the air traffic control.