PHOTO: AFP
"The Arab leaders had decided to agree on the principle of a joint Arab military force," Sisi said in a speech at the gathering in the Egyptian resort town of Sharm el-Sheikh.
Arab representatives would meet to study the creation of the force, said Sisi.
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The decision was mostly aimed at fighting jihadists who have overrun swathes of Iraq and Syria and won a foothold in Libya, Arab League chief Nabil al-Arabi said ahead of the summit.
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On Sunday, Arabi told the meeting that the region was threatened by a "destructive" force that threatened "ethnic and religious diversity," in an apparent reference to the Islamic State group.
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