TOPSHOT - An overloaded car travels through the Assaga refugee camp in Diffa on May 17, 2016, close to the Niger-Nigeria border. Chief of Humanitarian Operations of the UN, Stephen O'Brien, vowed on May 17 to raise funds at the next World Humanitarian Summit for "significant" help to the more than 240,000 refugees displaced by Boko Haram in camps in south-east Niger. / AFP / BOUREIMA HAMA (Photo credit should read BOUREIMA HAMA/AFP via Getty Images)
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AFP BOUREIMA HAMA