Egyptian President Abdel Fattah al-Sisi chairs an Arab foreign ministers meeting during an Arab summit
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Arab League agrees to set up a joint military force

Arab leaders meeting in Egypt have decided to act together to confront what they say are "unprecedented" threats facing the region.

Egyptian President Abdel Fattah al-Sisi announced plans for a joint military force as Saudi Arabia carried out more airstrikes against Houthi rebels in Yemen.

Alan Johnston reports on fears that violence across the region is escalating out of control.

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