Shaikh Khalifa expressed the hope that the agreement will contribute to regional security and stability.
A suicide bomber driving an explosives-laden vehicle attempted to strike the outpost on a highway leading to Suez.
So far this year, Daesh has used 18 children as suicide bombers, most recently in its fight against Kurdish militia in northeastern Syria.
Fear of Daesh was shared by respondents in the Middle East - said they were very concerned by the group's proliferation.
Foreign minister Ibrahim Al Jaafari says the presence of Daesh constitutes a threat not only to Iraq but also to countries in the region as well as Turkey
Abu Abdel Rahman Salqin, one of the most senior leaders of Ahrar Al Sham, was among the seven rebels killed in a double suicide bombing.