People hold candles and Burundian flags during a vigil to call for an end of the killings in Burundi on December 18, 2015, in Brussels. Small destitute Burundi, a central African nation marked by a troubled ethnic history and a deadly civil war, has been mired for eight months in a deepening political crisis that the African Union fears could trigger a genocide. / AFP / Belga / LAURIE DIEFFEMBACQ / Belgium OUT (Photo credit should read LAURIE DIEFFEMBACQ/AFP via Getty Images)
