Cairo, Aug 12 (IANS) Egypt's Grand Mufti Shawki Allam has slammed the Islamic State (IS) Sunni extremist group for violating all principles of Islam, state-run MENA news agency reported Tuesday. During a meeting with former Lebanese prime minister Fouad Siniora Tuesday, Allam said such bloody group represents dangers to Islam and Muslims worldwide. For his part, Siniora stressed that Egypt has regained its regional role in recent days. "The stability of Egypt provides stability for all its Arab neighbours," he said.