Child suicide bomber kills at least 16 in northeast Nigeria
As many as 2,000 feared dead in Boko Haram attack on town located on Chad border
A billboard campaigning for All Progressives Congress party (APC) is seen at Adeniji district in Lagos. Photograph: Reuters
A bomb worn by a girl aged about 10 exploded in a busy marketplace in the northeastern Nigerian city of Maiduguri on Saturday, killing at least 16 people and injuring more than 20, security sources said.