SIMON MAINA via Getty ImagesBurundian riot police run past a tire fire during a protest against the president's bid to cling to power for a third term in Musaga, ourskirts of Bujumbura, on April 28, 2015. At least five people have died since clashes broke out on April 26 after the ruling CNDD-FDD party, which has been accused of intimidating opponents, designated President Pierre Nkurunziza its candidate in the June 26 presidential election. On April 28, a spokesman for the President Nkurunziza said the President 'won't back down.' AFP PHOTO / SIMON MAINA (Photo credit should read SIMON MAINA/AFP/Getty Images)