Cairo - Heads of Egypt's religious institutions praised the speeches delivered by both President Abdel Fattah El- Sisi and the Al-Azhar's Grand Imam Ahmed Al Tayeb during their participation in the American-Islamic Summit and Tweeps Forum held in Riyadh on Sunday. They said that both speeches presented a complete strategy to combat terrorism. General Director of the Islamic Research Center Mohie Al Din Afifi said that the speech delivered by Al-Azhar's grand imam summarized the reasons behind the current division witnessed on the international level, blaming the increasing websites that promote the extremist ideas and the culture of hatred and violence.