Militant Islamic Front says it 's behind three attacks , in cities of Lagos and Kaduna . The attacks and retaliatory violence left at least 50 people dead , Red Cross says . The Red Cross said 32 people died and 78 were injured in the third blast and ensuing reprisal attacks by Christians on Muslims . Boko Haram says the attacks were retaliation for attacks on civilians .
Militant Islamic Front says it 's behind three attacks , in cities of Lagos and Kaduna . The attacks and retaliatory violence left at least 50 people dead , Red Cross says . Boko Haram says the attacks were retaliation for attacks on civilians .