April 9, 2012 -- Updated 1242 GMT (2042 HKT) Dozens of people were killed in an explosion in the northern Nigerian city of Kaduna on Sunday. NEW: No one is believed killed or hurt by a blast in Jos, a Nigerian official says Earlier, 25 died and 13 were wounded in an explosion in Kaduna, another official says A witness says that explosion blew out windows in a nearby church There was another explosion Sunday in the central Nigerian city of Jos about 250 kilometers from Kaduna, said emergency management spokesman Yohanna Audu. Audu said there are no known casualties in that blast. The bomb went off around 9 p.m. in the busy commercial center of Jos, near a popular drinking spot and school, resident Mike Dishing said. Security officials subsequently cordoned off the area, he added. That includes a car bomb attack last month outside a Catholic church in Jos that left six dead, according to hospital and government officials. January 30, 2012 -- Updated 1350 GMT (2150 HKT) Nigerian President Goodluck Jonathan has shifted his attitude toward the Islamist extremist group Boko Haram, as violence spreads. January 27, 2012 -- Updated 1759 GMT (0159 HKT) CNN iReporters helped chronicle the unfolding events in Nigeria since the beginning of the year by telling their stories. Nigerian President Goodluck Jonathan has suddenly shifted his attitude toward the Islamist extremist group Boko Haram, as violence spreads across northern Nigeria. As a native of oil-rich Nigeria, photographer George Osodi says he has seen the devastation, conflict and injustice caused by drilling for the "black gold." January 30, 2012 -- Updated 1417 GMT (2217 HKT) When elected president in April 2011, he was described as "Nigeria's Obama," just nine months later, Jonathan's popularity has plummeted. January 7, 2012 -- Updated 1144 GMT (1944 HKT) The Islamic militant group have attacked churches and government targets across the country's northeast. January 13, 2012 -- Updated 1536 GMT (2336 HKT) Nigeria's rulers face rising religious violence in the north, a long-simmering separatist movement in the south and now a nationwide strike. January 2, 2012 -- Updated 2057 GMT (0457 HKT) The militant Islamist group Boko Haram issues an ultimatum to Christians in northern Nigeria. CNN's Tim Lister reports. Two issues are currently intensifying fears of a 'Nigerian Spring': the removal of fuel subsidies and the rise radical Islamist terrorists. Nigerians are protesting the government's decision to end fuel subsidies that kept prices down. If you're protesting in Nigeria help us tell your story. January 11, 2012 -- Updated 0734 GMT (1534 HKT) On the streets of Nigeria, we bear witness to what many see as a bold decision on fuel subsidies is also uncovering decades of frustration and corruption. Nigerian iReporters give CNN an on-the-ground look at the general strike currently underway in Nigeria, as they share their stories and perspectives. January 13, 2012 -- Updated 1537 GMT (2337 HKT) Nigeria, Africa's largest oil producer, ended oil subsidies on New Year's Day that had kept gasoline prices artificially low. For an insight into the diverse cultural trends and personalities that help define Africa beyond the traditional headlines.