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President of the 73rd Session of the United Nations General Assembly (UNGA) Maria Fernanda Espinosa addresses the media during a press briefing following her meeting with Nigerian President Muhammadu Buhari at the State House in Abuja, Nigeria on May 7, 2019. Muhammadu Buhari Tuesday launched a revised appeal to the United Nations and the international community to help address devastation brought about by the persistent Boko Haram insurgency. (Xinhua/Olatunji Obasa)