Onlookers view the wreckage of a car bomb that exploded outside a church near Madalla, Nigeria on Christmas Day, 2011 killing scores of people. Boko Haram claimed responsibility for the attack. Sunday Aghaeze/AP hide caption

itoggle caption Sunday Aghaeze/AP

Protesters gather to protest against the end of gasoline subsidies in Lagos. Wednesday marked the third day of mass strikes by labor and civil society. Pius Utomi Ekpei/AFP/Getty Images hide caption

itoggle caption Pius Utomi Ekpei/AFP/Getty Images

A man carries a placard beside a bonfire during Monday's demonstration against soaring petrol prices following government's decision to abolish decades-old fuel subsidies. Pius Utomi Ekpei/AFP/Getty Images hide caption

itoggle caption Pius Utomi Ekpei/AFP/Getty Images