A bomb has exploded during prayers at a mosque in Nigeria's northeastern city of Maiduguri, killing five people.

Islamic extremists have killed nine people and injured four in northeastern Nigeria's Borno state, authorities report.

Last September, torrential rains swept across West and Central Africa, causing devastating floods.

As torrential rains sweep through Central and West Africa, floods have killed more than 1,000 people and displaced hundreds of thousands across the region.

Nigeria has warned of possible flooding in 11 states following the release of water from a dam in neighboring Cameroon.

Authorities in northern Nigeria say female suicide bombers have targeted a wedding, a funeral and a hospital in coordinated attacks that killed at least 18 people.

Nigeria's army says it has rescued hundreds of hostages, mostly women and children, who had been held captive for months or years by Boko Haram extremists in the country's northeast.

The Nigerian military says it has rescued two young women who were kidnapped nine years ago by the jihadi militant group Boko Haram.

Health officials in Burundi have declared an outbreak of polio linked to the vaccine, the first time the paralytic disease has been detected in the east African country for more than three decades.

Droughts, flooding and a shrinking Lake Chad caused in part by climate change is fueling conflict and migration in the region and needs to be better addressed, a report said Thursday.

Nigeria is grappling with child malnutrition in its troubled northwest region where armed groups have been targeting rural communities.

Aid agencies are warning that acute malnutrition is on the rise in northeast Nigeria.

United Nations Secretary-General Antonio Guterres has lauded Nigerian authorities' efforts to reintegrate repentant Boko Haram militants, saying the initiative is “the best thing we can do for peace.”.