Mohamed El - Beltagi arrested on suspicion of inciting violence , Egyptian media report . Opinion : Why the Muslim Brotherhood ca n't back down . El - Beltagi among many Muslim Brotherhood leaders arrested since president 's ouster . El - Belt 's daughter was killed during the sit - in earlier this year .
Mohamed El - Beltagi arrested on suspicion of inciting violence , Egyptian media report . El - Beltagi among many Muslim Brotherhood leaders arrested since president 's ouster . El - Belt 's daughter was killed during the sit - in earlier this year .