Sa'a got away on the night of the school raid in northern Nigeria – hundreds of others did not.
Vast sum of money was found wrapped in sealed bundles and hidden behind wardrobe panels in Nigerian city.
197 teenagers abducted on 14 April 2014 are still missing.
Nigerian security service claimed to have stopped a planned attack on UK and US embassies in Abuja.
A spokesman said 'appropriate sanctions' would be issued against those found guilty of misconduct.
Security forces were engaged in a shootout as heavily armed militants raided a village in the Diffa region.
Family forced into impossible situations as an an arc of hunger and violence stretches across Africa into the Middle East.
Crew members abroad the 'Golfo Azzurro', the rescue vessel of the Spanish aid organisation Proactiva Open Arms, spotted two overcrowded rubber boats floating at sea in the early hours of Saturday (1 April)
Only the three bombers were killed in the explosion
Security forces alleged to have killed 150 pro-Biafra supporters since August 2015, something army denies.
State of Borno aims to build vast orphanage to care for unaccompanied and displaced children.
Conflicting reports on Buhari's planned medical trip to the UK have emerged.
Buhari has already spent 51 days on medical leave in the UK amid fears he was too ill to resume office.
Ministry of Information believes it is just a matter of time until leader Abubakar Shekau is captured.
Buhari, 74, is due to go back to the UK in April to undergo further medical treatment.
Militants loyal to Abu Musab al-Barnawi target Sabon Garin Kimba village to steal food and medical supplies.
The area around the city of Maiduguri is one of the worst affected by the Islamist militants.
Richest Africans hail from Algeria, Angola, Egypt, Morocco, Nigeria, South Africa, Swaziland and Tanzania.
Protesters allege rights group smears reputation of security forces, something Amnesty strongly denies.
Supergroup includes Beninese Angélique Kidjo, world music star Mariam Doumbia Nigerian pop star Nneka.
IBTimes UK investigates on meaning behind latest video released by Abubakar Shekau's faction.
'These are your boys you sent,' says one militant in a message directed at President Muhammadu Buhari.