Geological conditions support the view that there are likely to be commercially viable deposits in the region.

Ambassador Linda Thomas-Greenfield says the forces only moved back to the border.

Restive Nigerians are lining at ATMs across the country seeking to access the new notes.

Shootings are common in South Africa, which has one of the world's highest murder rates, fuelled by gang violence and alcohol.

French President Emmanuel Macron said on Monday he would not rule out giving fighter aircraft to Ukraine.

The tweet came just after the German Foreign Minister Annalena Baerbock had toured the African Union.