The Grand Imam of Al-Azhar, one of the most prestigious centres of Sunni Islam learning, Sheikh Ahmed al-Tayeb (5th R) and Coptic Pope Tawadros (3rd L) attend the opening session of a two-day international conference in Cairo on fighting extremism, on December 3, 2014. Sheikh Tayeb condemned “barbaric crimes” committed by the Islamic State group in Iraq and Syria and called on the US-led coalition that is fighting IS “to confront those countries who support terrorism financially and militarily”.AFP PHOTO / KHALED DESOUKI