People gather at the scene of a car bomb explosion, at the central market, in Maiduguri, Nigeria, Tuesday, July 1, 2014. A car bomb exploded in a market in Nigeria’s northeastern city of Maiduguri on Tuesday morning, and dozens of people are feared dead, witnesses said. They immediately blamed Boko Haram, the Islamic extremist group whose birthplace is Maiduguri and which is accused of a series of recent bomb attacks in the West African nation.