The group were returning from Mali, where they had attended celebrations for the Muslim festival of Eid al-Adha, when they ran out of water, stranded more than 80km (50 miles) west of Assamaka, a major border crossing point between Niger and Algeria.
Mitch Brown hopes his decision to speak on his sexuality will create a safer space for others.
President Ramaphosa urges multilateralism as US secretary of state boycotts the meeting of foreign ministers.
Iran’s air defence said it had “successfully intercepted” the attacks, though “some areas sustained limited damage”.