HH the Emir Sheikh Tamim bin Hamad Al-Thani patronized the opening of the 17th edition of the Doha Forum, which is being held under the theme "Development, Stability and Refugee Crisis" in the presence of HE President of the Republic of Sudan Field Marshal Omar Hassan Ahmed Al-Bashir, HE President of Republic of Mali Ibrahim Boubacar Keita, HE Prime Minister of the Lebanese Republic Saad Al Hariri and HE Prime Minister of the Federal Republic of Somalia Hassan Ali Khayre, as well as a number of Their Excellencies heads of delegations participating in the Forum, at the Doha Sheraton Hotel on Sunday morning.