2. The bomb exploded at 6:55 a.m. during the morning traffic rush. Nigerian President Goodluck Jonathan blamed Boko Haram, a Nigerian Islamist militant group, for the attack. The group has not claimed responsibility.
4. Nigeria, population 170 million, is Africa’s biggest economy and a major oil producer. The country is predominantly Muslim in the north and Christian in the south.
5. Boko Haram — meaning “Western Education is Forbidden” — has been waging a four-year insurgency in Abuja and the country’s north. More than 4,000 people have been killed and nearly half a million forced to flee, according to the International Crisis Group.
Just this week, Boko Haram has been blamed for attacks in northeast Nigeria, in which 64 have been killed, including eight teachers.
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