A crowd gathers at a scene of multiple bombings at Kano Central Mosque November 28, 2014. Gunmen set off three bombs and opened fire on worshippers at the central mosque in north Nigeria's biggest city Kano, killing at least 35 people on Friday, witnesses and police said, in an attack that bore the hallmarks of Islamist Boko Haram militants. REUTERS/Stringer (NIGERIA - Tags: CIVIL UNREST)
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