Yemeni Prime Minister Ahmed Obeid bin Daghr (R) attends the celebration of the 1963 revolts against British rule in the southern port city of Aden, Yemen, 14 October 2017. According to reports, Yemen?s Saudi-backed government marked the 54th anniversary of the 14 October Revolution against the British colonial rule in south Yemen as pro-secession southern Yemenis call for independence from the north.