Pastor Emmanuel Momoh discovered a 706-carat uncut diamond in Sierra Leone. The gem has been handed over to the West African government.
Liberia has confirmed that a 15-year-old boy has died after contracting the Ebola virus.
Liberia is officially free of Ebola, the World Health Organization (WHO) announced.
An unknown proportion of West Africans may turn out to be immune to Ebola virus, The New York Times reports.