“The map shows critical flood-prone zones across Nigeria, particularly around stations along the River Benue and River Niger.

Benin has blocked crossings of the river that marks the border with neighbouring Niger, sources told AFP on Thursday, in an escalation of tensions since the military seized power in Niamey last July.

The Nigeria Hydrological Services Agency (NIHSA) has issued an urgent flood warning to communities along the River Benue and River Niger, following significant rises in water levels due to ...