Nigeria's military said attacks by militants from Boko Haram and a splinter group affiliated with Daesh had "necessitated the contiguous nations of the Lake Chad basin to jointly launch this massive onslaught."
Nigerians hurried to stock up on food and supplies after president Muhammadu Buhari’s announcement imposing a 14-day lockdown on Lagos city
A joint effort will be required to overcome the potential spread of the pandemic on the African continent.
The memo from Army headquarters outlines plans to protect government food storage from looters as Africa’s most populous nation braces for the illness to spread further in the country.
"It's the first time we have lost so many men," President Idriss Deby Itno says, after visiting attack site in Lac province, which borders Niger and Nigeria.
Insurgents fired rocket-propelled grenades at a lorry carrying troops as it travelled near Gorgi village in Borno state, two military officers said without giving their names.
At least 40 of Africa's 54 countries are now affected by the coronavirus pandemic.
A fire that broke out in a suburb of Lagos has killed at least 15 people and injured several others. The cause of the explosion was not known.
In a nation dominated by Afrobeats, the 26-year-old who calls herself the "Nigerian Rock Goddess" is trying to change long-held perceptions that rock is something alien to her country's music scene.
A drop in oil prices is a good sign for consumers, but current economic conditions and the coronavirus pandemic makes it difficult to see who stands to benefit.
The accounts in the new takedown managed Facebook pages posing as nongovernmental organisations (NGOs) or personal blogs, or posting in Facebook groups.
Local sources said a "major" attack had killed soldiers who were hospitalised in Diffa, but they did not give figures.
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