Daily brief
Joint airstrikes by Nigeria and the United States killed 175 Islamic State (ISIS) militants, including senior leaders, in northeastern Nigeria, the Nigerian military announced. The operation targeted ISIS positions in the region. (ongoing coverage)
Gunmen abducted 39 students and 7 teachers in attacks on schools in Nigeria.
Former Nigerian head of state Yakubu Gowon said US and UK arms bans forced Nigeria to buy from the Soviet Union during the civil war.