The criminal investigation department has been able to identify those behind an attack on Al-Jazeera Egypt office in Tahrir Square, the media center of the Interior Ministry said Friday. Police are acting to arrest more inciters, a source at the center said, adding the 210 have so far been held. Eighty-five of them are held for four days pending investigation and one more has been remanded for an additional 15 days. Forty-four minors have been handed over to their parent and ten have been released on 200-pound bail. Seventy more have been granted bail on condition of residence. The source said that 103 security elements have been injured in the clashes in Mohamed Mahmoud and Qasr el-Aini streets.