Two female suicide bombers—one as young as 11—blew themselves up at a crowded mobile phone market in the city of Kano, in northeast Nigeria, killing at least 15 people, a day after a bomb blast elsewhere in the country left more than 30 dead.

The Nigerian electoral commission has decided to postpone the presidential and legislative elections scheduled for February 14th, the Associated Press reports. The six-week delay will allow a newly-formed multinational force the opportunity to reclaim areas controlled by Boko Haram.