A Nigerian man in Lagos reads a newspaper addressing President Mohammadu Buhari's "follow-up medical consultation" in London. Pius Utomi Ekpei/AFP/Getty Images hide caption

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Pius Utomi Ekpei/AFP/Getty Images

Cattle owned by Fulani herdsmen graze in a field outside Kaduna, northwest Nigeria in February 2017. Stefan Heunis/AFP/Getty Images hide caption

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Stefan Heunis/AFP/Getty Images

Clashes Over Grazing Land In Nigeria Threaten Nomadic Herding

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Women carry food in gunny bags after visiting an aid distribution center in South Sudan on March 10. Albert Gonzalez Farran /AFP/Getty Images hide caption

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Albert Gonzalez Farran /AFP/Getty Images

Why The Famine In South Sudan Keeps Getting Worse

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Acutely malnourished child Sacdiyo Mohamed, 9 months old, is treated at Banadir hospital in Somalia on Saturday. Somalia's government has declared the drought there a national disaster. Mohamed Sheikh Nor/AP hide caption

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Mohamed Sheikh Nor/AP

Nigeria's President Muhammadu Buhari, shown here in 2015 arriving for his inauguration in Abuja, Nigeria, left for London Jan. 19 and hasn't been back since. The government insists he's fine, but speculation is rife that he may be suffering from serious health issues. Sunday Alamba/AP hide caption

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Sunday Alamba/AP

Nigerian President's Long Absence Comes Amid Major Economic Crisis

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Lucia Adeng Wek holds her 3-year-old son, Wek Wol Wek, who suffers from malnutrition. They're at a clinic in South Sudan run by Doctors without Borders and were photographed on October 11, 2016. Albert Gonzalez Farran/AFP/Getty Images hide caption

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Albert Gonzalez Farran/AFP/Getty Images

Who Declares A Famine? And What Does That Actually Mean?

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The singing group consists of Nigerian former leaders and its current vice president. YouTube hide caption

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YouTube

Possibly The First Music Video Starring Old Politicians

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A woman lies under a scaffolding bar Saturday after the collapse at a church in the remote southeastern city of Uyo, the capital of Nigeria's Akwa Ibom state. AFP/Getty Images hide caption

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AFP/Getty Images