Ramatu Usman, shown here with one of her sons, is a 37-year-old mother of eight. She says she was separated from one of her sons, 6-year-old Yahaya Buba, following an attack. He is still missing.
People call for the Nigerian government to rescue girls taken from a secondary school in Chibok region, during a protest earlier this month. Boko Haram, the group that took the girls, says they have been "married off."
Zambia's then-opposition leader Michael Sata speaks to journalists during a news conference in Lusaka in 2006. Sata, who became president in 2011, died while being treated for an undisclosed illness in London.
Seun Dupe sits with her newborn twins in a maternity hospital in Lagos, Nigeria. Nigeria is Africa's most populous country with more than 160 million people. UNICEF estimates that number will swell to nearly 1 billion by 2100.
Satao was a 45-year-old Kenyan elephant with tusks so long they brushed the ground. Poachers killed him in June with a poisoned arrow. African leaders gathered in Washington said there needs to be better cooperation on the continent to prevent poaching.