A young Saudi volunteer, from the Fayfa tribes, carries his bolt action rifle during a tribal gathering in the Jizan province, near the Saudi-Yemeni border, on April 14, 2015. (AFP)

A young Saudi volunteer, from the Fayfa tribes, carries his bolt action rifle during a tribal gathering in the Jizan province, near the Saudi-Yemeni border, on April 14, 2015. (AFP)
Updated 16 April 2015 01:43