Demonstrators hold placards during a protest against Al shabab insurgents outside Lido beach in the Somali capital Mogadishu, on January 28, 2016. Al Shebab killed at least 19 people when five gunmen detonated a bomb before storming a restaurant in the at Lido beach on January 22, 2016. / AFP / MOHAMED ABDIWAHAB (Photo credit should read MOHAMED ABDIWAHAB/AFP/Getty Images)
Liberian President Ellen Johnson Sirleaf arrives at Indira Gandhi International Airport for the Third India-Africa Forum Summit in New Delhi on October 27, 2015. India is hosting an unprecedented gathering of Africa's leaders as it ramps up the race for resources on the continent, where its rival China already has a major head start. AFP PHOTO/Sajjad HUSSAIN (Photo credit should read SAJJAD HUSSAIN/AFP/Getty Images)
DADAAB, KENYA - JULY 21: Newly arrived Somalian refugees settle on the edge of the Dagahaley refugee camp which makes up part of the giant Dadaab refugee settlement on July 21, 2011 in Dadaab, Kenya. The refugee camp at Dadaab, located close to the Kenyan border with Somalia, was originally designed in the early 1990s to accommodate 90,000 people but the UN estimates over four times as many reside there. The ongoing civil war in Somalia and the worst drought to affect the Horn of Africa in six decades has resulted in an estimated 12 million people whose lives are threatened. (Photo by Oli Scarff/Getty Images)
TOPSHOT - South Sudanese civilians flee fighting in an United Nations base in the northeastern town of Malakal on February 18, 2016, where gunmen opened fire on civilians sheltering inside killing at least five people.
Gunfire broke out in the base in Malakal in the northeast Upper Nile region on February 17, 2016 night, with clashes continuing on Thursday morning that left large plumes of smoke rising from burning tents in the camp which houses over 47,000 civilians.
/ AFP / Justin LYNCH (Photo credit should read JUSTIN LYNCH/AFP/Getty Images)
First Vice President of South Sudan and former rebel leader, Riek Machar (L), and President Salva Kiir (R), sit for an official photo with the 30 members of the new cabinet of the Transitional Government at the Cabinet Affairs Ministry, in Juba on April 29, 2016.
The new cabinet of the Transitional Government includes former rebels and members of the opposition, a step forward in a drawn-out peace process aimed at ending more than two years of conflict. / AFP / ALBERT GONZALEZ FARRAN (Photo credit should read ALBERT GONZALEZ FARRAN/AFP/Getty Images)
A Kenyan police officer folds up a flag inscribed with the logo of the Islamic state (IS) following a raid on two mosques in the coastal city of Mombasa, on November 17, 2014. One man was killed as Kenyan security forces arrested over 200 people and seized weapons in raids on mosques accused of links with Somalia's Al-Qaeda affiliated Shebab militants, police said. Security forces began the operation in the early hours of Monday morning, targeting the Masjid Musa and Sakina mosques in the port city of Mombasa. AFP PHOTO/STR (Photo credit should read STRINGER/AFP/Getty Images)
A soldiers checks the area where a suicide bomber from Somalia's Shebab insurgents killed at least 12 people and wounded 27 others, on September 8, 2014, by ramming a vehicle packed with explosives into a convoy of African Union troops in Mogadishu. The attack, the latest in a string of killings, comes exactly one week after a US airstrike killed the chief of the Al-Qaeda-linked Shebab rebels, Ahmed Abdi Godane, prompting threats of retaliation from the extremists. AFP PHOTO MOHAMED ABDIWAHAB (Photo credit should read Mohamed Abdiwahab/AFP/Getty Images)
Riot police advance towards a crowd of opposition supporters in the centre of Ggaba, a suburb of Kampala, on February 18, 2016, during Uganda's national elections.
Voters refused to use a polling station at Ggaba after an unsealed ballot box was found among voting materials, and police moved in to disperse the crowds as they began to protest. Voting in Uganda's national elections was due to begin at 07:00 am (0400 GMT) but was stalled for several hours in some polling stations in parts of the city and the surrounding Wakiso district, where ballot boxes and papers did not arrive on time. / AFP / Will Boase (Photo credit should read WILL BOASE/AFP/Getty Images)
A Ugandan military UPDF officer (L) disperse supporters of Ugandan opposition leader Kizza Besigye who had gathered in large numbers to welcome him back to Kampala from Nairobi on May 12, 2011 where he had gone to seek medical treatment for injuries sustained after he was attacked by state security personnel during an opposition demonstration. Ugandan President Yoweri Museveni vowed to stamp out "disrupting schemes" on May 12 as he was sworn in for a fourth term while masses of opposition supporters welcomed home his rival, Kizza Besigye. AFP PHOTO/Tony KARUMBA (Photo credit should read TONY KARUMBA/AFP/Getty Images)
A soldier of the African peacekeeping force MISCA stands guard as former Seleka militants leave the Camp de Roux in Bangui on their way to another camp outside the city on January 27, 2014. The United Nations is expected to adopt a resolution imposing sanctions against those who foment violence in the crisis-wracked Central African Republic, a French official said, as troops of the African peacekeeping force MISCA escorted out of Bangui former rebels of the mainly Muslim coalition that seized power in March last year. AFP PHOTO / ISSOUF SANOGO (Photo credit should read ISSOUF SANOGO/AFP/Getty Images)
A man grabs the barrel of the weapon from a Burundi policeman during a scuffle with residents angered by a search operation in the of the Cibitoke neighbourhood of Bujumbura on June 27, 2015.
AFP PHOTO/MARCO LONGARI (Photo credit should read MARCO LONGARI/AFP/Getty Images)
Bodies lie in the streets of Mutakura in Bujumbura on July 1, 2015, after a tense day of shooting. At least six people including a policeman were killed in gun battles on July 1 in the latest violence in Burundi, as it awaits results from elections boycotted by the opposition and condemned internationally. Clashes broke out in the capital's Cibitoke district, an opposition area that has been one of the heartlands of protests against President Pierre Nkurunziza's defiant bid for a third term. AFP PHOTO / ESDRAS NDIKUMANA (Photo credit should read Esdras Ndikumana/AFP/Getty Images)