Two weeks after the Biafran War ended 17 Irish missionaries were jailed in Nigeria for entering the former secessionist state. John Horgan explained Irish involvement in the war, from which Concern and Médecins Sans Frontières emerged

Nobel Peace Prize winner says more would have been done if girls were from more privileged background

Images provide ‘indisputable and shocking evidence’ of attacks in which thousands may have died

Bureau alleges that bonds were obtained with money laundered to Ireland

Explosion leaves up to 79 injured in restive town of Potiskum in country’s northeast

Environmental and human rights organisations criticise lack of action in Niger Nelta

Islamic militant group is richer than ever, more violent and its abductions grow

Canada sends special forces to help search effort

US deploys surveillance aircraft to find more than 200 abducted schoolgirls

Protestors call for release of 200 schoolgirls abducted by Islamic militants Boko Haram

200 girls abducted by Boko Haram from a secondary school on April 14th

Local knowledge of informer group a ‘game-changer’ in fight against insurgents

Ashifi Gogo has invented a text message verification process to thwart the distributors of counterfeit drugs in developing states

Chinua Achebe best known for breakthrough novel ‘Things fall Apart’