Security forces prevented an attempt by a number of elements of the terrorist Muslim Brotherhood group to disrupt voting in Helwan and Nasr City polling stations. In Helwan, security forces broke up a crowd of 50 brotherhood elements who were gathering in front of the polling station, while in Nasr City the forces dispersed a group of 20 MB elements. A number of 52,742,139 million Egyptians are to cast their votes today and tomorrow on the nation's new constitution.