At least 20 dead.
Goes down in densely populated neighborhood. MORE
Another five die in separate church incident. MORE
Killing three people. MORE
Suicide strike rattles city on Easter Sunday. MORE
Death toll jumps since Friday attack.
Islamic militants Boko Haram claimed responsibility. MORE
As president raises subsidy.
Prompted by series of Islamist militant attacks. MORE
Most die in bombing of Catholic Church.
Muslim sect claims responsibility. MORE
Militant Islamic sect Boko Haram wants to install sharia law. MORE