A lone female suicide bomber has detonated a bomb at the
Federal College of Education Kontagora in Niger State. Apart
from the suicide bomber, no one died in the attack.

Security
sources told Saharareporters that several students
sustained injuries from the attack.

http://saharareporters.com/2014/11/12/female-suicide-bomber-hits-federal-college-education-niger-state
http://acadablog.com/female-suicide-bomber-hits-federal-college-of-education-in-niger-state/

UPDATE

A female suicide bomber blew up an explosive device inside
the Federal College of Education, Kontagora, Niger State at
about 11:45 a.m. Nigerian time today.

A student at the school, Musa Ibrahim, told
SaharaReporters that the bomb instantly killed the suicide
bomber and left two female students critically wounded.