The country has been battered by heavy rains since early July, affecting almost 200,000 people across 15 states. White Nile state in the south of the country has been hit hardest.
The US authorities have charged 80 people, "most of whom are Nigerian nationals", with participating in a conspiracy to steal millions of dollars, prosecutors say.
A Kenyan man was stopped at Bangkok's airport for allegedly trying to smuggle more than 60 packets of cocaine in his stomach, Thai authorities announced Wednesday.
A leader of Cameroon's separatist movement, Sisiku Ayuk Tabe, and nine of his followers have been given life sentences by a military court in the capital, Yaoundé.