Eye on Africa

South Sudanese rebels detain 12 UN contractors

The UN calls for the help of South Sudan's rebel chief after his men kidnapped a dozen contractors. Also, as Tanzania's ruling party candidate is announced as the winner of the presidential vote, the opposition cries foul both there and in semi-autonomous Zanzibar where the vote was annulled. Finally, how France's top universities are proving more and more enticing for Africa's English-speaking talent.