Yemen\'s permanent representative to the Arab League (AL) Mohammad al-Haisami on Wednesday conveyed to the head of the AL Nabil al-Arabi an invitation to attend a conference on refugees. The conference, to be held in Yemen, will focus on issues related to refugees, internally displaced people and migrants from he Horn of Africa. The Yemeni envoy handed over the invitation, extended by Foreign Minister Abu Bakr al-Qerbi, during a meeting at the AL\'s headquarters here. During the meeting, al-Arabi expressed support to Yemen\'s unity and stability.