TOPSHOT - A drawing of the Biafran flag adorns a wall in Umuahia, one of the pro-Biafran separatist regions, on February 13, 2019, ahead of Nigeria's presidential and legislative elections. - Nigerians are scheduled to cast their ballots on February 16, in presidential and legislative elections. The presidential contest will see incumbent Muhammadu Buhari seek to win a second four-year term against former vice president Atiku Abubakar. Indigenous People of Biafra (IPOB) has called to boycott the incoming Nigerian elections that will take place next February 16. (Photo by CRISTINA ALDEHUELA / AFP)