US President Barack Obama advised African leaders to respect their constitutions and condemned those who refuse to step down when their terms end, in an historic address to the African Union, in Addis Ababa, on Tuesday.
- Obiageli ‘Oby’ Ezekwesili
Africa has a combined coastline of over 47,000 km, and with that a vast ocean resource and potential new economic frontier. However it is under threat and in decline, writes Obiageli 'Oby' Ezekwesili.
- Jonathan Saul in London
A ban on 113 oil tankers by Nigerian state oil company NNPC must be lifted immediately as no grounds have been given for the measure, the global oil tanker industry association said in a letter of protest.