Nigeria denied it flew any sorties in the area on day in question . KANO , Nigeria ( CNN ) Security source said it was an accident as target was Al Haram militants . Resident who helped the dead said 37 people were killed .
Nigeria denied it flew any sorties in the area on day in question . Security source said it was an accident as target was Al Haram militants . Resident who helped the dead said 37 people were killed .